Galesburg Flag

Galesburg

County:
Knox County
County Seat:
Yes
Area (mi²):
21.353
State:
Illinois

Galesburg is located in Knox County, Illinois. Galesburg has a 2025 population of 379. It is also the county seat of Knox County. Galesburg is currently declining at a rate of -0.26% annually and its population has decreased by -2.57% since the most recent census, which recorded a population of 389 in 2020.

The average household income in Galesburg is $84,932 with a poverty rate of 1.59%.The median age in Galesburg is 53.6 years: 51.6 years for males, and 53.7 years for females.

379
Total Population
18
Density (mi²)
-1 -0.26%
Growth

Galesburg Population

Galesburg Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Galesburg includes 99.37% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

White (99.4%)

Two or more races (0.6%)

Race
Population
Percentage (of total)
White31399.37%
Two or more races20.63%

Galesburg Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Galesburg's average per capita income is $37,031. Household income levels show a median of $77,222. The poverty rate stands at 1.59%.

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$120,000-
Families$113,333$96,789
Households$77,222$84,932
Non Families$21,458$24,654

$37,031

Average Income

$77,222

Median Household Income

1.59%

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)