Williamsburg

County:: Iowa County
County Seat:: No
Area (mi²):: 3.37
State:: Iowa

Williamsburg is a city located in Iowa County, Iowa. Williamsburg has a 2025 population of 3,348. Williamsburg is currently declining at a rate of -0.03% annually and its population has decreased by -0.21% since the most recent census, which recorded a population of 3,355 in 2020.

The average household income in Williamsburg is $81,391 with a poverty rate of 3.49%.The median age in Williamsburg is 33.9 years: 33.3 years for males, and 37.1 years for females.

Demographics

The racial composition of Williamsburg includes 96.03% White, and smaller percentages for Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	3,214	96.03%
Two or more races	118	3.53%
Asian	15	0.45%

Williamsburg Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Williamsburg's average per capita income is $53,381. Household income levels show a median of $65,607. The poverty rate stands at 3.49%.

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	$112,093	-
Families	$111,308	$110,232
Households	$65,607	$81,391
Non Families	$42,818	$50,980

$53,381

Average Income

$65,607

Median Household Income

3.49%

Poverty Rate