Kennebec County, Maine Population and Demographics

In this article, we'll explore the population statistics for Kennebec County, Maine, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in Kennebec County, Maine. The most basic data is the total population, which is the total number of people living in Kennebec County, Maine. The estimated population of Kennebec County, Maine is 123,293 people, with a median age of 44.1.

We can look at the total population in Kennebec County over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
123,293
+0.93%
+1.65%
2020
122,158
+0.33%
-
2019
121,753
+0.17%
-
2018
121,545
+0.21%
-
2017
121,289
 - -

Population of Kennebec County, Maine by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
93.9%
94.9%
 -1.05%
Black/African American
0.7%
0.8%
 -12.50%
Native
0.4%
0.6%
 -33.33%
Hispanic
1.7%
1.5%
 +13.33%
Asian
0.9%
0.9%
 0.00%
Hawaiian/Pacific Islander
0%
0%
 0.00%
Two Or More Races
2.3%
1.3%
 +76.92%
Other
0.1%
0%
 0.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of Kennebec County, Maine by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 44.1 0% 43.1 +0.94% 45.2 -0.88%
2020 44.1 -0.68% 42.7 -0.93% 45.6 +0.22%
2019 44.4 +0.23% 43.1 +0.23% 45.5 +0.22%
2018 44.3 +0.23% 43 0% 45.4 +0.67%
2017 44.2 - 43 - 45.1 -

The median age of Kennebec County, Maine gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 6,818 -6.81% 6,016 +0.65% 6,350 6,039
10 to 19 6,950 +4.71% 7,217 +2.56% 7,273 7,395
20 to 29 7,095 -0.17% 6,985 +1.41% 7,083 7,083
30 to 39 6,547 +11.66% 6,939 +4.62% 7,335 7,250
40 to 49 7,913 -9.63% 8,066 -7.97% 7,172 7,428
50 to 59 9,493 -3.89% 9,913 +0.3% 9,119 9,942
60 to 69 8,135 +8.52% 8,692 -0.29% 8,848 8,664
70+ 6,224 +13.99% 8,286 +10.39% 7,138 9,174

Median Household Income

The latest median household income of Kennebec County, Maine is $58,097.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for Kennebec County.

  • Under 25
    $33,914.00
  • 25 to 44
    $66,283.00
  • 45 to 64
    $69,049.00
  • 65 and over
    $43,511.00

Average Household Income

Whenever we ask what is the average household income in Kennebec County, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in Kennebec County, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of Kennebec County, Maine is currently $75,512.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

4.12% of households in Kennebec County are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of Kennebec County against other areas.

  • Less than $24,999
    19.90%
  • $25,000 to $49,999
    24.14%
  • $50,000 to $74,999
    17.37%
  • $75,000 to $99,999
    13.93%
  • $100,000 to $149,999
    15.35%
  • $150,000 to $199,999
    5.19%
  • $200,000 or more
    4.12%

Per Capita Income

The per capita income in Kennebec County is $32,854.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of Kennebec County by the total population of Kennebec County.

This is different from the average or mean income because it includes and accounts for all people in Kennebec County, Maine, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in Kennebec County to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    12.07%
  • Bachelor's degree
    29.80%
  • Some college or associate's degree
    10.96%
  • High school diploma or equivalent
    45.83%
  • Less than high school diploma
    1.34%

Employment

Employment rates are all based around the total population in Kennebec County that are over the age of 16.

The total population of Kennebec County over the age of 16 is 102,308.

Of those people, a total of 62.00% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in Kennebec County is 59.30%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 6,072 52.30% 5.60%
20 to 24 years 7,148 77.30% 7.00%
25 to 29 years 7,018 88.20% 10.40%
30 to 34 years 7,250 86.30% 5.90%
35 to 44 years 14,416 80.90% 2.90%
45 to 54 years 16,295 82.30% 3.10%
55 to 59 years 10,285 72.30% 1.70%
60 to 64 years 9,254 56.00% 1.70%
65 to 74 years 14,895 27.00% 2.10%
75 years and over 9,675 6.30% 3.30%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Kennebec County. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 97,682 62.00% 4.10%
Black or African American 684 64.00% 4.30%
American Indian and Alaska Native 470 50.00% 6.00%
Asian 855 59.50% 0.80%
Native Hawaiian and Other Pacific Islander 17 100.00% 0.00%
Other 239 76.60% 0.00%
Two or more races 2,361 65.60% 6.90%
Hispanic or Latino 1,517 77.00% 3.20%
Not Hispanic or Latino 96,850 61.90% 4.10%

Occupations

In this section we can look at the most common occupations in Kennebec County as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in Kennebec County is 60,713, with median earnings of $39,133.00.

Women in Kennebec County, Maine earning approximately 78.90% of the men's earnings.

Population Earnings
Total 60,713 $39,133.00
Male 30,662 $43,624.00
Female 30,051 $34,399.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 5,728 $62,188.00
Business and Financial 2,944 $56,274.00
Computer and Mathematical 1,281 $63,324.00
Architecture and Engineering 988 $64,971.00
Life, Physical, and Social Science 737 $56,883.00
Community and Social Service 1,721 $40,858.00
Legal 438 $56,076.00
Educational and Library 5,449 $40,864.00
Arts, Design, Entertainment, Sports, and Media 1,076 $32,895.00
Healthcare Practitioners 3,833 $58,944.00
Healthcare Support 2,386 $27,102.00
Firefighters and Protective Service 417 $55,240.00
Law Enforcement 332 $56,563.00
Food Preparation and Serving 3,069 $18,874.00
Building and Grounds Cleaning 2,491 $20,920.00
Personal Care and Service 1,083 $20,559.00
Sales 5,747 $23,346.00
Office and Administrative Support 7,552 $35,006.00
Farming, Fishing, and Forestry 662 $17,656.00
Construction and Extraction 3,987 $41,402.00
Installation, Maintenance, and Repair 2,211 $43,055.00
Production 2,595 $43,728.00
Transportation and Material Moving 1,934 $45,740.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 3,071 $67,188.00 2,657 $57,335.00
Business and Financial 1,100 $63,333.00 1,844 $54,646.00
Computer and Mathematical 911 $63,860.00 370 $61,389.00
Architecture and Engineering 913 $64,613.00 75 $86,036.00
Life, Physical, and Social Science 380 $57,431.00 357 $56,378.00
Community and Social Service 557 $38,281.00 1,164 $41,122.00
Legal 212 $78,000.00 226 $53,333.00
Educational and Library 1,787 $40,128.00 3,662 $41,092.00
Arts, Design, Entertainment, Sports, and Media 753 $49,338.00 323 $14,654.00
Healthcare Practitioners 1,002 $99,459.00 2,831 $53,558.00
Healthcare Support 347 $20,508.00 2,039 $28,974.00
Firefighters and Protective Service 307 $56,736.00 110 $36,859.00
Law Enforcement 288 $68,125.00 44 $0.00
Food Preparation and Serving 1,087 $17,218.00 1,982 $19,145.00
Building and Grounds Cleaning 1,655 $22,734.00 836 $15,361.00
Personal Care and Service 135 $53,369.00 948 $18,011.00
Sales 2,547 $40,141.00 3,200 $15,866.00
Office and Administrative Support 1,683 $41,148.00 5,869 $34,334.00
Farming, Fishing, and Forestry 586 $20,309.00 76 $4,167.00
Construction and Extraction 3,817 $40,828.00 170 $46,342.00
Installation, Maintenance, and Repair 2,167 $43,195.00 44 $41,000.00
Production 2,085 $46,927.00 510 $27,273.00
Transportation and Material Moving 1,736 $47,792.00 198 $28,023.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 52,752 households in Kennebec County, with an average household size of 2.27 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 32,189 families in Kennebec County with an average family size of 2.83 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 24,138 2,545 5,506 20,563
Average Household Size 2.89 3.09 3.02 1.24
Total Families 24,138 2,545 5,506 0
Average Household Size 2.87 2.62 2.74 0

Poverty

Of the 32,189 families in Kennebec County, 7.20% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Kennebec County:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 62,538 housing units in Kennebec County, Maine.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 52,752 84.35%
Vacant 9,786 15.65%

21.54% of the total 62,538 housing units in Kennebec County are rental units. This is approximately 13,469 properties.

For owner-occupied housing units, a total of 37,827 are occupied by the owner - or 60.49% of the total.

Rental Rates

The median rent for a property in Kennebec County is $813.00.

In the chart below, we can look at the number of rental properties in Kennebec County that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    1,456
  • Less than $500
    1,777
  • $500 to $999
    8,546
  • $1,000 to $1,499
    2,641
  • $1,500 to $1,999
    394
  • $2,000 to $2,499
    49
  • $2,500 to $2,999
    40
  • $3,000 or more
    22

Property Value

The median value of a property in Kennebec County is $170,100.00.

Just like with rental rates, we can look at the number of properties in Kennebec County that fall into a particular value range.

  • Less than $50,000
    2,681
  • $50,000 to $99,999
    4,854
  • $100,000 to $149,999
    7,490
  • $150,000 to $199,999
    8,223
  • $200,000 to $299,999
    9,147
  • $300,000 to $499,999
    4,165
  • $500,000 to $999,999
    1,036
  • $1,000,000 or more
    231

Property Age

We can also look at the age of properties in Kennebec County. The chart below shows the number of properties in Kennebec County that fall into a particular age range.

  • 1939 or earlier
    13,898
  • 1940 to 1949
    3,171
  • 1950 to 1959
    4,687
  • 1960 to 1969
    4,337
  • 1970 to 1979
    9,908
  • 1980 to 1989
    8,932
  • 1990 to 1999
    7,082
  • 2000 to 2009
    7,256
  • 2010 to 2013
    3,193
  • 2014 or later
    74

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in Kennebec County that have a particular number of vehicles available.

  • No vehicles available
    3,953
  • 1 vehicle available
    17,672
  • 2 vehicles available
    20,815
  • 3 or more vehicles available
    10,312

Commuting to Work

In this section, we can also look at how people in Kennebec County get to work. The chart below shows the number of people in Kennebec County that commute to work in a particular way.

24.1 minutes is the average travel time to work for people in Kennebec County.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    2,466
  • 5 to 9 minutes
    7,220
  • 10 to 14 minutes
    7,589
  • 15 to 19 minutes
    8,150
  • 20 to 24 minutes
    7,397
  • 25 to 29 minutes
    3,978
  • 30 to 34 minutes
    6,820
  • 35 to 39 minutes
    2,003
  • 40 to 44 minutes
    1,580
  • 45 to 59 minutes
    3,432
  • 60 to 89 minutes
    2,328
  • 90 or more minutes
    1,106

Summary

We've covered a LOT of demographic and population data for Kennebec County, Maine in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

Places in Kennebec County, Maine

We have data for 32 places in Kennebec County, Maine. Click on a place below to see more information about the demographics of that place.