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 2026 population of 4,002. It is also the county seat of Grant County. Williamstown is currently growing at a rate of 0.4% annually and its population has increased by 2.38% since the most recent census, which recorded a population of 3,909 in 2020.

The median household income in Williamstown is $95,050 with a poverty rate of 7.7%. The median age in Williamstown is 31 years: 32.9 years for males, and 29.4 years for females. For every 100 females there are 81.1 males.

4K
Total Population
238
Density (mi²)
16 0.4%
Growth

Williamstown Population

Williamstown Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264,002160.4%
20253,986150.38%
20243,97180.2%
20233,963110.28%
20223,952150.38%
20213,937370.95%
20203,909-3-0.08%
20193,912-6-0.15%
20183,91880.2%
20173,91030.08%
20163,907170.44%
20153,890-21-0.54%
20143,911310.8%
20133,88000%
20123,880-43-1.1%
20113,92360.15%
20103,917-8-0.2%
20003,2272046.75%
19903,02352120.82%
19802,50200%

Median Age

Overall: 31 years
Female: 29.4 years
Male: 32.9 years

Williamstown Adults

There are 2,660 adults, (396 of whom are seniors) in Williamstown.

Sex Ratio

Female: 2,178 (55.2%)
Male: 1,767 (44.8%)

Demographics

The racial composition of Williamstown includes 94.75% White, and smaller percentages for Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,73894.75%
Two or more races1924.87%
Black or African American100.25%
Native American50.13%
Race
Population ↓
Percentage (of total)
White3,73894.75%
Two or more races1924.87%
Black or African American100.25%
Native American50.13%

Williamstown Marital Status

Economics and Income Statistics

Williamstown 's average per capita income is $50,906. Household income levels show a median of $95,050. The poverty rate stands at 7.7%.

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$108,750-
Families$101,412$104,490
Households$95,050$86,319
Non Families$39,856$49,994

$50,906

Average Income

$95,050

Median Household Income

7.7%

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)