Columbia, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Columbia, Illinois is 11,063 as of the 2023 American Community Survey, making it the 207th-largest city in Illinois. The median household income is $107,922, the median home value is $290,100, and the median age is 39.9.
The population has grown 12.3% since 2010 (9,725 → 10,919).
11,063
Population
1049
People / sq mi
$107,922
Median Income
$290,100
Median Home Value
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Columbia covers 10.6 sq mi of land at 1049 people per square mile.
About Columbia, IL
Columbia is distinguished by its share of foreign-born residents, 49.5% of the population. Columbia is a city in Illinois with a population of 11,063.
Households take in a median $107,922, comfortably above the US median of $78,538. The poverty rate, 3.9%, is on the lower side for US cities and below the national 12.4%. Median home value is $290,100, with typical rent around $1,089.
About 51.0% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure. Remote work is below the national 14.0% at 12.1%, and the average commute runs about 26 minutes each way.
The large foreign-born share is a defining thread in Columbia, shaping language, household composition, and the labor force behind the economic figures above.
Columbia city Population History (2010-2024)
The city of Columbia city had a population of 9,725 in 2010 and 10,919 in 2024, a 12.3% growth over 14 years. The peak was 11,034 in 2020. Average annual growth rate: 0.84%.
10,919
Population (2024)
9,725
Population (2010)
11,034
Peak (2020)
0.84%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 9,725 |
| 2011 | 9,825 |
| 2012 | 9,880 |
| 2013 | 9,987 |
| 2014 | 10,070 |
| 2015 | 10,152 |
| 2016 | 10,232 |
| 2017 | 10,313 |
| 2018 | 10,428 |
| 2019 | 10,513 |
| 2020 | 11,034 |
| 2021 | 10,994 |
| 2022 | 10,998 |
| 2023 | 10,993 |
| 2024 | 10,919 |
Race & Ethnicity
| White | 94.4% |
| Black or African American | 0.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.3% |
| Two or More Races | 0.0% |
Economy & Income
$107,922
Median Household Income
$52,647
Per Capita Income
3.9%
Poverty Rate
0.7%
Unemployment Rate
Housing
$290,100
Median Home Value
$1,089
Median Rent
81.9%
Owner-Occupied
Education
97.2%
High School+
51.0%
Bachelor's+
Commute
0.0%
Drive Alone
84.1%
Public Transit
12.1%
Work From Home
26.0 min
Avg Commute
Community Profile
49.5%
Foreign Born
97.4%
Non-English at Home
7.9%
Veterans
8.8%
With Disability
97.8%
Health Insurance
94.7%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 28.6% |
| Finance, Insurance & Real Estate | 12.1% |
| Manufacturing | 9.5% |
| Information | 8.7% |
| Education, Health Care & Social Services | 7.7% |
| Arts, Entertainment & Food Services | 6.1% |
| Construction | 6.0% |
| Public Administration | 3.8% |
| Transportation & Warehousing | 2.2% |
| Retail Trade | 2.0% |
| Agriculture & Mining | 1.7% |
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Frequently Asked Questions
Columbia, Illinois has a population of 11,063 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 207th-largest city in Illinois.
The median household income in Columbia, Illinois is $107,922, with 3.9% of residents living below the federal poverty level.
The median home value in Columbia, Illinois is $290,100, with median monthly rent at $1,089 and a homeownership rate of 81.9%.
The median age in Columbia, Illinois is 39.9 years. The population is 49.8% male and 50.2% female.
The population has grown 12.3% since 2010 (9,725 → 10,919).
Where to stay in Columbia
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.