City · Monroe County, Illinois
Columbia, Illinois
Columbia is a city in Monroe County, Illinois, part of the St. Louis, MO-IL metro area. It has 11,127 residents. Columbia, Illinois has a quality-of-life score of 86 out of 100 (very high), ranking #2,234 of 15,651 US cities and towns. Within Illinois it ranks #62 of 697 cities and towns. It ranks best on reading scores (high), math scores (high) and mammography screening (high). It ranks worst on public EV charging ports (low), new business applications (low) and preventable hospital stays (high).
- Quality-of-life score
- #2,234 of 15,651 cities and towns
- Illinois
- #62 of 697 in IL
- Population
- 11,127 (2020-2024)
- Land area
- 11 mi²
- Density
- 1,054.2 /mi²
- FIPS code
- 1715833
Percentile-based score (100 is the best in the country) from 70 of 80 indicators, with the default “Explorer” weights.
Scores by category
Each category averages its indicators' percentile scores among US cities and towns.
- Safety76#3,787/15,637
- Economy86#2,210/15,631
- Housing57#6,416/14,977
- Health82#2,830/15,609
- Healthcare67#5,108/15,650
- Environment23#11,894/15,453
- Education94#893/15,649
- Infrastructure64#5,707/15,650
- Community97#440/15,651
- Leisure & amenities71#4,494/15,651
Strengths · Weaknesses
Indicators where Columbia, Illinois ranks highest and lowest among US cities and towns (score = percentile, 100 = best). Values marked “Monroe County value” are the county’s: the source publishes no figure for this city or town, and the county holding most of its residents stands in.
Strengths
- Reading scores · high3.73100/100Illinois 2.97United States 3.052019University of Wisconsin Population Health InstituteMonroe County value
- Math scores · high3.6999/100Illinois 2.90United States 3.032019University of Wisconsin Population Health InstituteMonroe County value
- Mammography screening · high57.0%96/100Illinois 47.0%United States 46.0%2023University of Wisconsin Population Health InstituteMonroe County value
- Child care cost burden · low19.7%95/100Illinois 30.4%United States 27.9%2023 & 2024University of Wisconsin Population Health InstituteMonroe County value
- Pharmacies · high2.9 /10k
- Food environment index · high9.394/100Illinois 8.4United States 7.62019 & 2023University of Wisconsin Population Health InstituteMonroe County value
Weaknesses
- Public EV charging ports · low0.0 /10k
- New business applications · low8.4 /1k
- Preventable hospital stays · high3,730 /100k14/100Illinois 3,343 /100kUnited States 2,769 /100k2023University of Wisconsin Population Health InstituteMonroe County value
- Distance to an emergency room · high10.5 mi15/100Illinois 4.0 miUnited States 5.5 miJul 2026Centers for Medicare & Medicaid ServicesMonroe County value
- Effective property tax rate · high1.62%
- Average weekly wage · low$994
Trends
The largest changes over about five years, next to the country's over the same periods.
- Rent-burdened householdsImproving
64.4% (2015-2019) → 50.4% (2020-2024)
−14 pts5 yearsCensus table B25070US 49.6% → 51.1%
- New homes permittedWorsening
2.1 /1k (2021) → 1.5 /1k (Sep 2025–Aug 2026)
−26%5 yearsUS 5.2 /1k → 4.2 /1k
- Rent as share of incomeImproving
35.2% (2015-2019) → 30.2% (2020-2024)
−5 pts5 yearsCensus table B25071US 29.8% → 30.6%
- Home price to income ratioWorsening
2.2× (2015-2019) → 2.7× (2020-2024)
+24%5 yearsCensus table B25077US 3.5× → 4.1×
- Broadband subscriptionsImproving
90.4% (2015-2019) → 94.0% (2020-2024)
+3.5 pts5 yearsCensus table B28002US 82.7% → 91.0%
- Income inequality (Gini index)Improving
0.466 (2015-2019) → 0.396 (2020-2024)
−15%5 yearsCensus table B19083US 0.482 → 0.483
What changed in five years
How each measure moved between two periods about five years apart, read against whether more or less is better, the published margin of error and the same change in other places.
Cities and towns like Columbia, Illinois five years ago that improved
The places whose measures looked most like those of Columbia, Illinois in the earlier period, ranked by how many measures improved beyond the margin of error, minus how many declined. A comparison of published data, not a forecast and not advice.
Who lives here
Age, race and education of residents, from the American Community Survey. Shares are of all residents (age), residents of every origin (race) or adults 25 and over (education).
Income
How household income is spread, not just the middle: each bar is the share of households in that income range.
Homes
Who owns and who rents, what homes cost, and what the housing stock looks like.
Getting to work
How workers travel to their job and how long it takes them.
Jobs and pay
What the largest occupations here pay, from the Bureau of Labor Statistics' Occupational Employment and Wage Statistics survey.
The Bureau of Labor Statistics publishes pay by metro area, not by county or city. The metro area page lists its largest occupations and lets you look up any job.
Pay in the St. Louis, MO-ILLocal businesses
Employer businesses and sole proprietors by industry, per resident and against the state and the nation. Counts of businesses next to counts of people, not a measure of demand.
Federal contracts performed here
Grants and other federal assistance are counted by county here, not split among cities: Columbia is mostly in Monroe County.
See federal money in Monroe CountyRepresentation in Congress
Members serving today, with their record in the current Congress (party-unity votes cast with their caucus, roll calls missed). Not a grade.
County
A city can lie in several counties. Some indicators are published for counties only: the page marks them.
Metro area
The metro or micro area the city belongs to.
Other cities and towns in Monroe County
Largest first.
Similar cities and towns
Closest indicator profiles across the country (no model: score distances).
- Waterloo, IL86Alike on Child poverty, No transport, Population
- Rochester, IL70Alike on Inactivity, Foreign-born, Bachelor's+
- Rockton, IL48Alike on Uninsured, Poverty, Broadband
- St. Joseph, IL67Alike on No transport, Poor health, Inactivity
- Danville, IN86Alike on Child poverty, No transport, Food insecurity
Data and sources
Latest published value of each indicator; periods differ by source. Values flagged by their publisher are marked.
- PLACES: Local Data for Better HealthCenters for Disease Control and Prevention · release 2025
- Local Area Unemployment StatisticsU.S. Bureau of Labor Statistics · release 2025
- American Community Survey 5-Year EstimatesU.S. Census Bureau · release 2017-2024
- Building Permits SurveyU.S. Census Bureau · release 2026-08
- Population Estimates ProgramU.S. Census Bureau · release 2025
- Small Area Health Insurance EstimatesU.S. Census Bureau · release 2024
- Small Area Income and Poverty EstimatesU.S. Census Bureau · release 2024
- County Health Rankings & RoadmapsUniversity of Wisconsin Population Health Institute · release 2022-2025+2026-03-supplement