Williamstown township

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

Williamstown township is located in Ingham County, Michigan. Williamstown township has a 2025 population of 5,247. Williamstown township is currently declining at a rate of -0.06% annually and its population has decreased by -0.72% since the most recent census, which recorded a population of 5,285 in 2020.

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

Demographics

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

Population by Race

Race	Population	Percentage (of total)
White	4,851	91.93%
Two or more races	279	5.29%
Other race	95	1.8%
Asian	28	0.53%
Black or African American	24	0.45%

Williamstown township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Williamstown township'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