Williamstown is a city located in Grant County Kentucky. It is also the county seat of Grant County. With a 2020 population of 3,888, it is the 104th largest city in Kentucky and the 7691st largest city in the United States. Williamstown is currently declining at a rate of -0.08% annually and its population has decreased by -0.66% since the most recent census, which recorded a population of 3,914 in 2020. Spanning over 17 miles, Williamstown has a population density of 233 people per square mile.
The average household income in Williamstown is $52,456 with a poverty rate of 20.90%. The median rental costs in recent years comes to $718 per month, and the median house value is $141,200. The median age in Williamstown is 31.5 years, 31.5 years for males, and 31.5 years for females.
According to the most recent ACS, the racial composition of Williamstownwas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among black people with a rate of 18.75%.
99.62% of Williamstown residents speak only English, while 0.38% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.38% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Williamstown is Native, with 100.00% below the poverty level.
The race least likely to be in poverty in Williamstown is Other, with NaN% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 5.99%. Among those working part-time, it was 27.78%, and for those that did not work, the poverty rate was 23.10%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Williamstown
100.00% of Williamstown residents were born in the United States, with 75.11% having been born in Kentucky. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.