Williamstown

County:: Grant County
County Seat:: Yes
Area (mi²):: 16.843
State:: Kentucky

Williamstown is a city located in Grant County, Kentucky. Williamstown has a 2025 population of 4,002. It is also the county seat of .Williamstown is currently growing at a rate of 0.48% annually and its population has increased by 2.43% since the most recent census, which recorded a population of 3,907 in 2020.

The average household income in Williamstown is $73,884 with a poverty rate of 10.74%. The median age in Williamstown is 33.9 years: 41.3 years for males, and 30.9 years for females.

Demographics

The racial composition of Williamstown includes 92.9% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	3,650	92.9%
Two or more races	274	6.97%
Black or African American	5	0.13%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Williamstown Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Williamstown's average per capita income is $45,521. Household income levels show a median of $71,761. The poverty rate stands at 10.74%.

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	$96,712	-
Families	$95,471	$94,679
Households	$71,761	$73,884
Non Families	$25,607	$38,916

$45,521

Average Income

$71,761

Median Household Income

10.74%

Poverty Rate