Galesburg Flag

Galesburg

County:
Knox County
County Seat:
Yes
Area (mi²):
17.76
State:
Illinois

Galesburg is a city located in Knox County, Illinois. Galesburg has a 2026 population of 28,962. It is also the county seat of Knox County. Galesburg is currently declining at a rate of -0.56% annually and its population has decreased by -3.27% since the most recent census, which recorded a population of 29,942 in 2020.

The median household income in Galesburg is $48,297 with a poverty rate of 19.13%. The median age in Galesburg is 40.8 years: 39.9 years for males, and 42.3 years for females. For every 100 females there are 103.8 males.

29K
Total Population
1,631
Density (mi²)
-163 -0.56%
Growth

Galesburg Population

Galesburg Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202628,962-163-0.56%
202529,125-164-0.56%
202429,289290.1%
202329,260-32-0.11%
202229,292-354-1.19%
202129,646-296-0.99%
202029,942-100-0.33%
201930,182-201-0.66%
201830,383-359-1.17%
201730,742-195-0.63%
201630,937-295-0.94%
201531,232-357-1.13%
201431,589-109-0.34%
201331,698-85-0.27%
201231,783-259-0.81%
201132,042-136-0.42%
201032,178-17-0.05%
200033,7061760.52%
199033,530-1,775-5.03%
198035,305-985-2.71%
197036,290-953-2.56%
196037,2435,81818.51%
195031,4252,5498.83%
194028,876460.16%
193028,8304,99620.96%
192023,8341,7457.9%
191022,0893,48218.71%
190018,6073,34321.9%
189015,2643,82733.46%
188011,4371,27912.59%
187010,1585,205105.09%
18604,95300%

Median Age

Overall: 40.8 years
Female: 42.3 years
Male: 39.9 years

Galesburg Adults

There are 23,993 adults, (6,364 of whom are seniors) in Galesburg.

Sex Ratio

Female: 14,467 (49.1%)
Male: 15,014 (50.9%)

Demographics

The racial composition of Galesburg includes 73.11% White, 12.99% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White21,55573.11%
Black or African American3,83112.99%
Two or more races2,7769.42%
Other race7442.52%
Asian5591.9%
Native American160.05%
Race
Population ↓
Percentage (of total)
Two or more races1,2814.35%
White6722.28%
Other race5871.99%
Black or African American510.17%
Race
Population ↓
Percentage (of total)
White20,88370.84%
Black or African American3,78012.82%
Two or more races1,4955.07%
Asian5591.9%
Other race1570.53%
Native American160.05%

Galesburg Marital Status

Economics and Income Statistics

Galesburg 's average per capita income is $38,847. Household income levels show a median of $48,297. The poverty rate stands at 19.13%.

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$89,040-
Families$71,913$86,340
Households$48,297$63,199
Non Families$31,105$38,609

$38,847

Average Income

$48,297

Median Household Income

19.13%

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)