Williamstown, Ingham County, Michigan Population and Demographics

In this article, we'll explore the population statistics for Williamstown, Michigan, 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 Williamstown, Michigan. The most basic data is the total population, which is the total number of people living in Williamstown, Michigan. The estimated population of Williamstown, Michigan is 5,282 people, with a median age of 48.9.

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

Year Population Change 5-Year Change
2021
5,282
+2.27%
+4.43%
2020
5,165
+0.66%
-
2019
5,131
+0.33%
-
2018
5,114
+1.11%
-
2017
5,058
- -

Population of Williamstown, Michigan 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
94.8%
95.1%
-0.32%
Black/African American
0.3%
1.4%
-78.57%
Native
0%
0.1%
-100.00%
Hispanic
1.4%
2.1%
-33.33%
Asian
1.2%
0.7%
+71.43%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
2.1%
0.6%
+250.00%
Other
0.3%
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 Williamstown, Michigan 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 48.9 -1.21% 53.4 +0.95% 47.1 -0.21%
2020 49.5 -0.8% 52.9 0% 47.2 0%
2019 49.9 -4.41% 52.9 -0.94% 47.2 -2.68%
2018 52.2 -1.51% 53.4 -0.74% 48.5 -5.83%
2017 53 - 53.8 - 51.5 -

The median age of Williamstown, Michigan 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 9 163 +34.56% 274 +29.38% 221 358
10 to 19 334 6.63% 259 +32.24% 329 324
20 to 29 137 +44.27% 205 +19.54% 184 224
30 to 39 236 0.22% 199 +13.08% 233 221
40 to 49 186 +43.91% 282 +17.06% 272 326
50 to 59 489 -12.44% 487 -28.79% 427 360
60 to 69 655 -14.2% 551 -19.92% 536 446
70+ 299 +30.39% 302 +36.41% 396 425

Median Household Income

The latest median household income of Williamstown, Michigan is $118,218.00.

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 Williamstown.

  • Under 25
    $0.00
  • 25 to 44
    $119,224.00
  • 45 to 64
    $152,667.00
  • 65 and over
    $79,981.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Williamstown, 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 Williamstown, Michigan is currently $139,629.00.

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.

20.37% of households in Williamstown 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 Williamstown against other areas.

  • Less than $24,999
    6.69%
  • $25,000 to $49,999
    8.55%
  • $50,000 to $74,999
    7.08%
  • $75,000 to $99,999
    18.47%
  • $100,000 to $149,999
    23.55%
  • $150,000 to $199,999
    15.29%
  • $200,000 or more
    20.37%

Per Capita Income

The per capita income in Williamstown is $54,678.00.

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

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

Education Levels

We can also look at the education levels in Williamstown 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
    21.46%
  • Bachelor's degree
    39.27%
  • Some college or associate's degree
    10.34%
  • High school diploma or equivalent
    27.71%
  • Less than high school diploma
    1.22%

Employment

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

The total population of Williamstown over the age of 16 is 4,330.

Of those people, a total of 62.80% 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 Williamstown is 60.30%.

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 280 73.90% 22.70%
20 to 24 years 235 85.10% 0.00%
25 to 29 years 173 80.90% 15.00%
30 to 34 years 184 82.10% 0.00%
35 to 44 years 573 85.20% 0.00%
45 to 54 years 538 84.20% 2.60%
55 to 59 years 544 79.00% 0.00%
60 to 64 years 569 66.40% 0.00%
65 to 74 years 847 30.30% 10.50%
75 years and over 387 4.10% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Williamstown. 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 4,188 62.40% 4.10%
Black or African American 14 85.70% 0.00%
American Indian and Alaska Native 0 0.00% 0.00%
Asian 50 78.00% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 0 0.00% 0.00%
Two or more races 78 69.20% 0.00%
Hispanic or Latino 38 60.50% 0.00%
Not Hispanic or Latino 4,174 62.30% 4.10%

Occupations

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

The total population of civilian employees that are 16 years old or older in Williamstown is 2,613, with median earnings of $56,688.00.

Women in Williamstown, Michigan earning approximately 59.70% of the men's earnings.

Population Earnings
Total 2,613 $56,688.00
Male 1,422 $78,625.00
Female 1,191 $46,910.00

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 350 $97,000.00
Business and Financial 137 $63,750.00
Computer and Mathematical 149 $82,946.00
Architecture and Engineering 56 $135,000.00
Life, Physical, and Social Science 10 $0.00
Community and Social Service 18 $0.00
Legal 0 $0.00
Educational and Library 203 $75,114.00
Arts, Design, Entertainment, Sports, and Media 14 $0.00
Healthcare Practitioners 266 $133,000.00
Healthcare Support 40 $24,444.00
Firefighters and Protective Service 47 $26,250.00
Law Enforcement 12 $0.00
Food Preparation and Serving 125 $19,306.00
Building and Grounds Cleaning 44 $29,000.00
Personal Care and Service 98 $2,499.00
Sales 488 $65,667.00
Office and Administrative Support 267 $49,931.00
Farming, Fishing, and Forestry 0 $0.00
Construction and Extraction 102 $56,944.00
Installation, Maintenance, and Repair 18 $0.00
Production 71 $11,467.00
Transportation and Material Moving 34 $41,000.00

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 139 $101,806.00 211 $95,114.00
Business and Financial 58 $126,667.00 79 $31,635.00
Computer and Mathematical 135 $79,375.00 14 $0.00
Architecture and Engineering 56 $135,000.00 0 $0.00
Life, Physical, and Social Science 10 $0.00 0 $0.00
Community and Social Service 18 $0.00 0 $0.00
Legal 0 $0.00 0 $0.00
Educational and Library 78 $85,741.00 125 $44,219.00
Arts, Design, Entertainment, Sports, and Media 4 $0.00 10 $0.00
Healthcare Practitioners 117 $250,001.00 149 $53,750.00
Healthcare Support 0 $0.00 40 $24,444.00
Firefighters and Protective Service 42 $26,818.00 5 $0.00
Law Enforcement 12 $0.00 0 $0.00
Food Preparation and Serving 56 $18,750.00 69 $19,306.00
Building and Grounds Cleaning 18 $0.00 26 $0.00
Personal Care and Service 50 $0.00 48 $25,167.00
Sales 346 $78,075.00 142 $25,603.00
Office and Administrative Support 50 $83,594.00 217 $48,958.00
Farming, Fishing, and Forestry 0 $0.00 0 $0.00
Construction and Extraction 102 $56,944.00 0 $0.00
Installation, Maintenance, and Repair 7 $0.00 11 $0.00
Production 48 $10,455.00 23 $0.00
Transportation and Material Moving 26 $42,000.00 8 $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 2,047 households in Williamstown, with an average household size of 2.57 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 1,511 families in Williamstown with an average family size of 3.05 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 1,352 38 121 536
Average Household Size 3.07 4.26 3.02 1.1
Total Families 1,352 38 121 0
Average Household Size 3.05 4.03 2.8 0

Poverty

Of the 1,511 families in Williamstown, 0.60% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Williamstown:

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 2,047 housing units in Williamstown, Michigan.

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

Total Percentage
Occupied 2,047 100.00%
Vacant 0 0.00%

6.25% of the total 2,047 housing units in Williamstown are rental units. This is approximately 128 properties.

For owner-occupied housing units, a total of 1,892 are occupied by the owner - or 92.43% of the total.

Rental Rates

The median rent for a property in Williamstown is $859.00.

In the chart below, we can look at the number of rental properties in Williamstown 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
    27
  • Less than $500
    11
  • $500 to $999
    72
  • $1,000 to $1,499
    21
  • $1,500 to $1,999
    24
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    0
  • $3,000 or more
    0

Property Value

The median value of a property in Williamstown is $282,300.00.

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

  • Less than $50,000
    9
  • $50,000 to $99,999
    56
  • $100,000 to $149,999
    170
  • $150,000 to $199,999
    283
  • $200,000 to $299,999
    540
  • $300,000 to $499,999
    635
  • $500,000 to $999,999
    160
  • $1,000,000 or more
    39

Property Age

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

  • 1939 or earlier
    157
  • 1940 to 1949
    67
  • 1950 to 1959
    251
  • 1960 to 1969
    159
  • 1970 to 1979
    416
  • 1980 to 1989
    269
  • 1990 to 1999
    565
  • 2000 to 2009
    113
  • 2010 to 2013
    50
  • 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 Williamstown that have a particular number of vehicles available.

  • No vehicles available
    0
  • 1 vehicle available
    491
  • 2 vehicles available
    871
  • 3 or more vehicles available
    685

Commuting to Work

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

27.1 minutes is the average travel time to work for people in Williamstown.

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
    29
  • 5 to 9 minutes
    113
  • 10 to 14 minutes
    222
  • 15 to 19 minutes
    181
  • 20 to 24 minutes
    554
  • 25 to 29 minutes
    318
  • 30 to 34 minutes
    422
  • 35 to 39 minutes
    61
  • 40 to 44 minutes
    9
  • 45 to 59 minutes
    131
  • 60 to 89 minutes
    77
  • 90 or more minutes
    51

Summary

We've covered a LOT of demographic and population data for Williamstown, Michigan 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.