Williamstown Flag

Williamstown

County:
Lewis County
County Seat:
No
Area (mi²):
0.271
State:
Missouri

Williamstown is a CDP located in Lewis County, Missouri. Williamstown has a 2025 population of 50. Williamstown is currently growing at a rate of 6.38% annually but its population has decreased by -40.48% since the most recent census, which recorded a population of 84 in 2020.

50
Total Population
184
Density (mi²)
3 6.38%
Growth

Williamstown Population

Williamstown Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Williamstown includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100.0%)

Race
Population
Percentage (of total)
White14100%

Williamstown Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

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)