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.

Demographics

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

Population by Race

Race	Population	Percentage (of total)
White	211	92.54%
Two or more races	11	4.82%
Other race	5	2.19%
Asian	1	0.44%

Williamson Marital Status

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