Williamsfield Flag

Williamsfield

County:
Knox County
County Seat:
No
Area (mi²):
1.231
State:
Illinois

Williamsfield is a village located in Knox County, Illinois. Williamsfield has a 2025 population of 553 . Williamsfield is currently declining at a rate of -0.72% annually and its population has decreased by -2.98% since the most recent census, which recorded a population of 570 in 2020.

The average household income in Williamsfield is $99,304 with a poverty rate of 6.2%. The median age in Williamsfield is 36.6 years: 36.1 years for males, and 38.8 years for females. For every 100 females there are 102.4 males.

553
Total Population
449
Density (mi²)
-4 -0.72%
Growth

Williamsfield Population

Williamsfield Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Williamsfield includes 85.2% White, 13.8% Black or African American, and smaller percentages for Two or more races, Asian and multiracial populations.

Population by Race

White (85.2%)

Black or African American (13.8%)

Two or more races (0.8%)

Asian (0.2%)

Race
Population
Percentage (of total)
White42685.2%
Black or African American6913.8%
Two or more races40.8%
Asian10.2%

Williamsfield Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Williamsfield's average per capita income is $49,205. Household income levels show a median of $75,208. The poverty rate stands at 6.2%.

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$96,563-
Families$88,750$122,924
Households$75,208$99,304
Non Families$48,750$50,244

$49,205

Average Income

$75,208

Median Household Income

6.2%

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)