Mercer, Mercer County, Illinois Population and Demographics

In this article, we'll explore the population statistics for Mercer, Illinois, 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 Mercer, Illinois. The most basic data is the total population, which is the total number of people living in Mercer, Illinois. The estimated population of Mercer, Illinois is 4,000 people, with a median age of 46.3.

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

Year Population Change 5-Year Change
2021
4,000
+3.84%
+1.55%
2020
3,852
-0.54% -
2019
3,873
-0.97% -
2018
3,911
-0.71% -
2017
3,939
- -

Population of Mercer, Illinois 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
94.4%
96.6%
-2.28%
Black/African American
1.7%
1%
+70.00%
Native
0%
0%
0.00%
Hispanic
2.1%
1.4%
+50.00%
Asian
0.7%
0.5%
+40.00%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
1.2%
0.6%
+100.00%
Other
0%
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 Mercer, Illinois 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 46.3 -3.94% 44.6 -5.31% 49.4 -0.2%
2020 48.2 -1.83% 47.1 -0.63% 49.5 -2.94%
2019 49.1 +2.08% 47.4 +4.87% 51 +3.03%
2018 48.1 -1.03% 45.2 -1.53% 49.5 -0.2%
2017 48.6 - 45.9 - 49.6 -

The median age of Mercer, Illinois 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 9 202 1.88% 210 0.27% 193 187
10 to 19 184 +63.53% 247 -43.39% 304 152
20 to 29 206 +15.8% 179 +58.5% 213 288
30 to 39 223 -17.84% 236 -17.37% 178 179
40 to 49 205 +36.16% 169 +45.33% 287 254
50 to 59 271 -5.36% 223 +18.46% 256 263
60 to 69 241 +7.67% 281 +12.55% 259 310
70+ 351 -20.91% 511 -24.12% 280 397

Median Household Income

The latest median household income of Mercer, Illinois is $53,712.00.

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 Mercer.

  • Under 25
    $0.00
  • 25 to 44
    $52,635.00
  • 45 to 64
    $89,286.00
  • 65 and over
    $40,054.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Mercer, 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 Mercer, Illinois is currently $67,720.00.

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.

2.70% of households in Mercer 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 Mercer against other areas.

  • Less than $24,999
    21.21%
  • $25,000 to $49,999
    25.48%
  • $50,000 to $74,999
    15.99%
  • $75,000 to $99,999
    16.41%
  • $100,000 to $149,999
    13.28%
  • $150,000 to $199,999
    4.93%
  • $200,000 or more
    2.70%

Per Capita Income

The per capita income in Mercer is $29,112.00.

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

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

Education Levels

We can also look at the education levels in Mercer 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
    7.99%
  • Bachelor's degree
    24.43%
  • Some college or associate's degree
    18.20%
  • High school diploma or equivalent
    48.92%
  • Less than high school diploma
    0.45%

Employment

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

The total population of Mercer over the age of 16 is 3,334.

Of those people, a total of 62.90% 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 Mercer is 61.80%.

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 170 92.40% 0.00%
20 to 24 years 261 75.90% 6.10%
25 to 29 years 240 82.50% 8.60%
30 to 34 years 132 79.50% 0.00%
35 to 44 years 456 93.40% 0.00%
45 to 54 years 495 88.10% 0.00%
55 to 59 years 334 80.50% 0.00%
60 to 64 years 278 62.90% 4.00%
65 to 74 years 514 22.40% 0.00%
75 years and over 454 4.20% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Mercer. 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 3,182 63.10% 1.60%
Black or African American 69 36.20% 0.00%
American Indian and Alaska Native 0 0.00% 0.00%
Asian 19 100.00% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 5 80.00% 100.00%
Two or more races 59 71.20% 0.00%
Hispanic or Latino 63 74.60% 8.50%
Not Hispanic or Latino 3,140 62.80% 1.60%

Occupations

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

The total population of civilian employees that are 16 years old or older in Mercer is 2,062, with median earnings of $37,444.00.

Women in Mercer, Illinois earning approximately 67.10% of the men's earnings.

Population Earnings
Total 2,062 $37,444.00
Male 1,048 $45,588.00
Female 1,014 $30,568.00

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 204 $75,761.00
Business and Financial 62 $41,364.00
Computer and Mathematical 11 $0.00
Architecture and Engineering 14 $0.00
Life, Physical, and Social Science 22 $0.00
Community and Social Service 37 $52,656.00
Legal 12 $0.00
Educational and Library 144 $42,813.00
Arts, Design, Entertainment, Sports, and Media 15 $0.00
Healthcare Practitioners 88 $49,318.00
Healthcare Support 106 $26,944.00
Firefighters and Protective Service 10 $0.00
Law Enforcement 43 $0.00
Food Preparation and Serving 142 $7,500.00
Building and Grounds Cleaning 37 $9,702.00
Personal Care and Service 69 $0.00
Sales 100 $9,891.00
Office and Administrative Support 270 $36,711.00
Farming, Fishing, and Forestry 38 $40,521.00
Construction and Extraction 162 $47,500.00
Installation, Maintenance, and Repair 77 $53,679.00
Production 131 $40,231.00
Transportation and Material Moving 111 $37,589.00

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 90 $76,667.00 114 $44,722.00
Business and Financial 17 $82,344.00 45 $0.00
Computer and Mathematical 0 $0.00 11 $0.00
Architecture and Engineering 14 $0.00 0 $0.00
Life, Physical, and Social Science 10 $0.00 12 $0.00
Community and Social Service 13 $66,023.00 24 $40,833.00
Legal 12 $0.00 0 $0.00
Educational and Library 44 $67,885.00 100 $16,635.00
Arts, Design, Entertainment, Sports, and Media 8 $0.00 7 $0.00
Healthcare Practitioners 19 $0.00 69 $48,750.00
Healthcare Support 6 $0.00 100 $26,528.00
Firefighters and Protective Service 0 $0.00 10 $0.00
Law Enforcement 9 $0.00 34 $0.00
Food Preparation and Serving 42 $8,438.00 100 $4,597.00
Building and Grounds Cleaning 37 $9,702.00 0 $0.00
Personal Care and Service 0 $0.00 69 $0.00
Sales 66 $43,929.00 34 $7,250.00
Office and Administrative Support 42 $32,500.00 228 $36,806.00
Farming, Fishing, and Forestry 8 $0.00 30 $0.00
Construction and Extraction 162 $47,500.00 0 $0.00
Installation, Maintenance, and Repair 77 $53,679.00 0 $0.00
Production 126 $40,463.00 5 $0.00
Transportation and Material Moving 89 $39,554.00 22 $0.00

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 1,664 households in Mercer, with an average household size of 2.28 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 1,072 families in Mercer with an average family size of 2.82 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 884 79 109 592
Average Household Size 2.82 3.71 3.15 1.13
Total Families 884 79 109 0
Average Household Size 2.79 2.8 3.09 0

Poverty

Of the 1,072 families in Mercer, 5.90% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Mercer:

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 1,923 housing units in Mercer, Illinois.

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

Total Percentage
Occupied 1,664 86.53%
Vacant 259 13.47%

34.01% of the total 1,923 housing units in Mercer are rental units. This is approximately 654 properties.

For owner-occupied housing units, a total of 1,003 are occupied by the owner - or 52.16% of the total.

Rental Rates

The median rent for a property in Mercer is $702.00.

In the chart below, we can look at the number of rental properties in Mercer 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
    7
  • Less than $500
    150
  • $500 to $999
    396
  • $1,000 to $1,499
    55
  • $1,500 to $1,999
    46
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    0
  • $3,000 or more
    7

Property Value

The median value of a property in Mercer is $116,300.00.

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

  • Less than $50,000
    78
  • $50,000 to $99,999
    309
  • $100,000 to $149,999
    335
  • $150,000 to $199,999
    148
  • $200,000 to $299,999
    133
  • $300,000 to $499,999
    0
  • $500,000 to $999,999
    0
  • $1,000,000 or more
    0

Property Age

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

  • 1939 or earlier
    520
  • 1940 to 1949
    257
  • 1950 to 1959
    255
  • 1960 to 1969
    175
  • 1970 to 1979
    249
  • 1980 to 1989
    130
  • 1990 to 1999
    113
  • 2000 to 2009
    180
  • 2010 to 2013
    44
  • 2014 or later
    0

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 Mercer that have a particular number of vehicles available.

  • No vehicles available
    157
  • 1 vehicle available
    491
  • 2 vehicles available
    504
  • 3 or more vehicles available
    512

Commuting to Work

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

23.4 minutes is the average travel time to work for people in Mercer.

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
    457
  • 5 to 9 minutes
    378
  • 10 to 14 minutes
    237
  • 15 to 19 minutes
    50
  • 20 to 24 minutes
    39
  • 25 to 29 minutes
    10
  • 30 to 34 minutes
    146
  • 35 to 39 minutes
    81
  • 40 to 44 minutes
    128
  • 45 to 59 minutes
    285
  • 60 to 89 minutes
    94
  • 90 or more minutes
    34

Summary

We've covered a LOT of demographic and population data for Mercer, Illinois 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.