US Census Data

ZIP 61821 vs ZIP 61831

A side-by-side comparison of ZIP Code 61821 and ZIP Code 61831: population, income, housing, and more.

ZIP 61821 and ZIP 61831 are ZIP Code areas in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 61821 has the higher population (28,838 vs 164 in ZIP 61831). ZIP 61831 has the higher median household income ($86,250 vs $69,284 in ZIP 61821). ZIP 61821 has the higher median home value ($174,800 vs $171,900 in ZIP 61831).

Population, income & housing

ZIP 61821ZIP 61831
Population28,838164
Median age36.0 yrs65.5 yrs
Median household income$69,284$86,250
Median home value$174,800$171,900
Median gross rent$1,001
Housing units13,751111
Homeownership rate61.9%100.0%
Bachelor's degree or higher49.5%13.4%
Unemployment rate4.4%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 61821ZIP 61831
Population31,207 → 28,838 (-7.6%)139 → 164 (+18.0%)
Median household income$54,736 → $69,284 (+26.6%)$41,528 → $86,250 (+107.7%)
Median home value$139,400 → $174,800 (+25.4%)$90,000 → $171,900 (+91.0%)
Median gross rent$974 → $1,001 (+2.8%)

ZIP 61821

Population
31,20728,838
Median household income
$54,736$69,284
Median home value
$139,400$174,800
Median gross rent
$974$1,001

ZIP 61831

Population
139164
Median household income
$41,528$86,250
Median home value
$90,000$171,900

Age & race/ethnicity

Age distribution (share)

ZIP 61821ZIP 61831
Under 56.7%1.8%
5 to 1714.5%9.8%
18 to 2411.4%1.8%
25 to 3416.0%0.0%
35 to 4411.9%10.4%
45 to 549.8%7.9%
55 to 6412.4%17.7%
65 to 7410.3%23.8%
75 and over7.0%26.8%

Race & ethnicity (share)

ZIP 61821ZIP 61831
White (non-Hispanic)56.8%100.0%
Black or African American23.0%0.0%
American Indian & Alaska Native0.0%0.0%
Asian8.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.5%0.0%
Two or more races3.8%0.0%
Hispanic or Latino7.8%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 61821ZIP 61831
No high school diploma5.0%9.2%
High school graduate19.9%52.1%
Some college or associate's25.5%25.4%
Bachelor's degree23.7%6.3%
Graduate or professional degree25.8%7.0%

Commute to work

How workers get to work (share)

ZIP 61821ZIP 61831
Drove alone68.5%85.0%
Carpooled9.6%5.0%
Public transit2.8%0.0%
Walked3.6%10.0%
Bicycle1.0%0.0%
Worked from home12.7%0.0%
Other means1.8%0.0%

Housing

Units in structure (share)

ZIP 61821ZIP 61831
1-unit, detached67.1%97.3%
1-unit, attached5.1%0.9%
2 to 4 units6.3%0.0%
5 to 19 units16.7%0.0%
20 or more units3.9%0.0%
Mobile home & other1.0%1.8%

Poverty & households

ZIP 61821ZIP 61831
Poverty rate14.0%7.3%
Average household size2.301.71
Mean commute (minutes)1625
Median year structure built19681953

Full profiles

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ZIP 61821 vs ZIP 61831: Compare Population & Demographics | US Census Data