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, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	3,214	96.03%
Two or more races	118	3.53%
Asian	15	0.45%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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