Williamstown Flag

Williamstown

County:
Ingham County
County Seat:
No
Area (mi²):
29.251
State:
Michigan

Williamstown is located in Ingham County, Michigan. Williamstown has a 2025 population of 5,398 . Williamstown is currently growing at a rate of 0.86% annually and its population has increased by 2.12% since the most recent census, which recorded a population of 5,286 in 2020.

The average household income in Williamstown is $144,762 with a poverty rate of 1.46%. The median age in Williamstown is 50.6 years: 53 years for males, and 49.3 years for females. For every 100 females there are 96.0 males.

5.4K
Total Population
185
Density (mi²)
46 0.86%
Growth

Williamstown Population

Williamstown Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Williamstown includes 91.93% White, and smaller percentages for other race, Asian, Black or African American and multiracial populations.

Population by Race

White (91.93%)

Two or more races (5.29%)

Other race (1.8%)

Asian (0.53%)

Black or African American (0.45%)

Race
Population
Percentage (of total)
White4,85191.93%
Two or more races2795.29%
Other race951.8%
Asian280.53%
Black or African American240.45%

Williamstown Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Williamstown's average per capita income is $66,852. Household income levels show a median of $115,224. The poverty rate stands at 1.46%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$159,883-
Families$145,781$178,056
Households$115,224$144,762
Non Families$74,191$71,469

$66,852

Average Income

$115,224

Median Household Income

1.46%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)