City

Columbia, IL

1 ZIP code  ·  Monroe County  ·  Illinois

👥14,175Population
💰$112,070Median HH Income▲ 47% above avg
🎂40.7Median Age
🏠$300,300Median Home Value▲ 8% above avg
🎓58.7%College Grads▲ 51% above avg
📊1.5%Unemployment▼ 69% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.5% Female 49.6% ♀

Race & Ethnicity

White: 93.6%Hispanic: 2.4%Black: 0.7%Asian: 0.2%Other: 2.3%Race
White93.6%
Hispanic2.4%
Black0.7%
Asian0.2%
Other2.3%

Age Breakdown

Under 5
6%
5–17
19%
18–24
5%
25–44
25%
45–64
29%
65+
6%

Key Indicators

Median Age40.7 yrs
Avg HH Size2.56
Below Poverty5.3% ▼ 47% below avg
College Grads58.7% ▲ 51% above avg
Unemployment1.5% ▼ 69% below avg
No HS Diploma25 (0.3%)
HS Graduate1,774 (18.5%)
Some College971 (10.1%)
Associates1,200 (12.5%)
Bachelors979 (10.2%)
Graduate Degree4,652 (48.5%)

Education

No HS: 0.3%HS Grad: 18.5%Some College: 10.1%Associates: 12.5%Bachelors: 10.2%Graduate: 48.5%Edu
No HS0.3%
HS Grad18.5%
Some College10.1%
Associates12.5%
Bachelors10.2%
Graduate48.5%
Housing & Income

Housing Tenure

Owner: 85%Renter: 15%Tenure
Owner85.0%
Renter15.0%

Home Value Distribution

Under $50k
2%
$50k–$100k
2%
$100k–$150k
5%
$150k–$200k
15%
$200k–$300k
26%
$300k–$500k
37%
Over $500k
13%

Financials

Median HH Income$112,070 ▲ 47% above avg
Median Home Value$300,300 ▲ 8% above avg
Home/Income Ratio2.7x (nat avg ~3.5x)
Median Rent$1,089/mo
Total Housing Units5,797
Vacant Units292

Income Distribution

Under $25k
10%
$25k–$50k
8%
$50k–$75k
11%
$75k–$100k
12%
$100k–$150k
23%
$150k–$200k
14%
Over $200k
22%
Employment & Commute

How People Get to Work

Drove Alone
87%
Walked
0%
Work From Home
12%

Commute Time

Under 15 min
22%
15–30 min
39%
30–45 min
26%
Over 45 min
13%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
8%
1960s–1970s
11%
1980s–1990s
19%
2000+
60%
About Columbia, IL

Columbia is a city in Illinois, located in Monroe County. The city spans 1 ZIP code and is home to approximately 14,175 residents. It is a middle-aged city, with a median age of 40.7 years.

Economically, Columbia is a upper-middle-income community. The median household income of $112,070 is above the national average. Approximately 5.3% of residents live below the poverty line. The unemployment rate is 1.5%, well below the national average.

The real estate market in Columbia is a mid-range housing market. Median home values stand at $300,300, which is near the national average. Renters typically pay around $1,089 per month. Homeownership is high at 85.0%, typical of suburban and family-oriented communities.

The population of Columbia is well-educated. 58.7% of adults hold a bachelor's degree or higher — significantly above the national average. The community is primarily White (93.64%).

Columbia, IL offers residents above-average earning potential within Illinois.

ZIP Codes in Columbia
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
62236 14,175 $112,070 $300,300 $1,089 1.5% 58.7% 85.0%