Williamstown Flag

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 Grant County. 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.

4K
Total Population
238
Density (mi²)
19 0.48%
Growth

Williamstown Population

Williamstown Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Williamstown includes 92.9% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White3,65092.9%
Two or more races2746.97%
Black or African American50.13%

Williamstown Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

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)