Williamson Flag

Williamson

County:
Lucas County
County Seat:
No
Area (mi²):
0.381
State:
Iowa

Williamson is a city located in Lucas County, Iowa. Williamson has a 2025 population of 129. Williamson is currently growing at a rate of 1.57% annually and its population has increased by 9.32% since the most recent census, which recorded a population of 118 in 2020.

The average household income in Williamson is $59,138 with a poverty rate of 26.75%.The median age in Williamson is 34.2 years: 33.5 years for males, and 34.4 years for females.

129
Total Population
338
Density (mi²)
2 1.57%
Growth

Williamson Population

Williamson Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Williamson includes 92.54% White, and smaller percentages for other race, Asian and multiracial populations.

Population by Race

White (92.5%)

Two or more races (4.8%)

Other race (2.2%)

Asian (0.4%)

Race
Population
Percentage (of total)
White21192.54%
Two or more races114.82%
Other race52.19%
Asian10.44%

Williamson Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Williamson's average per capita income is $42,813. Household income levels show a median of $53,438. The poverty rate stands at 26.75%.

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$97,955-
Families$78,750$67,744
Households$53,438$59,138
Non Families-$17,929

$42,813

Average Income

$53,438

Median Household Income

26.75%

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)