Williamstown, Kentucky Demographics & Population 2026
During the 2020–2024 ACS period, Williamstown, Kentucky had a total population of 3,945, the 104th largest city in Kentucky, with a median household income of $95,050, which is 49% higher than the state average. The poverty rate is 7.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 49% above the state average — one of the wealthiest communities in Kentucky.
- Housing is very affordable with a home-value-to-income ratio of just 2.2x.
Williamstown Quick Facts
How Williamstown Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 3,929 | 3,945 | +0.4% |
| Median household income | $71,761 | $95,050 | +32.5% |
| Median home value | $159,100 | $209,800 | +31.9% |
How Williamstown Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 33 | National average: 61
Education
Educational Attainment (Adults 25+)
Williamstown Rankings in Kentucky
Explore Kentucky Rankings
Other Cities in Grant County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Dry Ridge | 2,441 | $55,995 | 21.9% | $216,800 |
Cities Similar to Williamstown
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Russell | 3,676 | $76,182 | $211,900 | 35.9% | 4.7% |
| Crestview Hills | 3,284 | $95,441 | $279,800 | 49.4% | 11.8% |
| Massac | 4,698 | $92,560 | $239,400 | 49.4% | 10.2% |
| Crescent Springs | 4,486 | $83,066 | $302,100 | 41.2% | 5.4% |
| Park Hills | 3,165 | $99,861 | $282,100 | 65.7% | 7.4% |
Population Overview
Williamstown is a small community located in Kentucky, within Grant County. The total population is 3,945. It ranks as the 104th most populous out of 552 Census-designated places in Kentucky.
Age Demographics
The median age in Williamstown is 31.0 years. This is 21% lower than the state median of 39.1 years. With 32.6% of the population under 18, Williamstown has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Williamstown is $95,050. This is 49% higher than the state median of $63,726. It is also 18% higher than the national median of $80,734. The poverty rate stands at 7.7%. This is 52% lower than the state poverty rate of 16.1%. The unemployment rate is 2.9%. This is 41% lower than the state rate of 4.9%. The median home value is $209,800. Housing costs are 2% higher than the state median of $205,600. With a home-value-to-income ratio of just 2.2x, Williamstown is one of the most affordable housing markets in the area. 75.1% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 68.3%.
Race & Ethnicity
Williamstown has a predominantly White (non-Hispanic) population, comprising 94.8% of all residents. Black or African American residents account for 0.3%. The Black or African American population (0.3%) is well below the state average of 7.5%.
Education
21.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 22% lower than the state rate of 27.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.4%.
Data Sources & Methodology
All demographic data for Williamstown, Kentucky is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Kentucky state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 552 Census-designated places in Kentucky. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Kentucky city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Williamstown, Kentucky?
Williamstown, Kentucky has a population of 3,945 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Williamstown, KY?
The median household income in Williamstown is $95,050, which is 18% higher than the national median of $80,734.
What is the poverty rate in Williamstown, KY?
The poverty rate in Williamstown is 7.7%. This means approximately 283 residents live below the federal poverty line.
What is the racial makeup of Williamstown, Kentucky?
Williamstown's population is 94.8% White, 0.3% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Williamstown, KY?
The median home value in Williamstown is $209,800. The home-value-to-income ratio is 2.2x.
How educated is Williamstown, Kentucky?
21.4% of adults (25+) in Williamstown hold a bachelor's degree or higher, and 6.7% hold a graduate or professional degree.