Williamstown township Flag

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 2026 population of 5,444. Williamstown township is currently growing at a rate of 0.85% annually and its population has increased by 2.99% since the most recent census, which recorded a population of 5,286 in 2020.

The median household income in Williamstown township is $114,792 with a poverty rate of 1.51%. The median age in Williamstown township is 52.3 years: 56.1 years for males, and 49.9 years for females. For every 100 females there are 94.0 males.

5.4K
Total Population
186
Density (mi²)
46 0.85%
Growth

Williamstown township Population

Williamstown township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20265,444460.85%
20255,398460.86%
20245,352460.87%
20235,306300.57%
20225,27620.04%
20215,274-12-0.23%
20205,286-3-0.06%
20195,169-7-0.14%
20185,176250.49%
20175,151450.88%
20165,106370.73%
20155,069240.48%
20145,045220.44%
20135,02390.18%
20125,014120.24%
20115,002240.48%
20104,97550.1%

Median Age

Overall: 52.3 years
Female: 49.9 years
Male: 56.1 years

Williamstown township Adults

There are 4,192 adults, (1,497 of whom are seniors) in Williamstown township.

Sex Ratio

Female: 2,729 (51.5%)
Male: 2,566 (48.5%)

Demographics

The racial composition of Williamstown township includes 93.09% White, and smaller percentages for other race, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White4,92993.09%
Two or more races2985.63%
Other race591.11%
Black or African American90.17%
Race
Population ↓
Percentage (of total)
Two or more races1472.78%
White200.38%
Other race90.17%
Race
Population ↓
Percentage (of total)
White4,90992.71%
Two or more races1512.85%
Other race500.94%
Black or African American90.17%

Williamstown township Marital Status

Economics and Income Statistics

Williamstown township 's average per capita income is $65,677. Household income levels show a median of $114,792. The poverty rate stands at 1.51%.

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$163,306-
Families$142,805$174,792
Households$114,792$143,293
Non Families$58,664$66,097

$65,677

Average Income

$114,792

Median Household Income

1.51%

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)