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ZIP CODE TABULATION AREA

61231

Illinois · 4,962 residents · 153 sq mi
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ZIP 61231 is home to 4,962 people in Mercer County. Median home value sits at $147,600. The foreign-born share is 1%. 25% of adults hold a bachelor's degree or higher. Density works out to 32 people per square mile. At a median age of 42.2, this is an older place than the country as a whole. Among the 13 ZIP codes in Mercer County, 61231 ranks 9th by median household income.

$70,991
US average: $82,259
$35,849
US average: $44,673
$147,600
US average: $376,019
25.3%
US average: 35.6%
Land area
153 sq mi
Age, sex & households
Under 18
20.8%
Age 65+
22.1%
49.2%
50.8%
2.25 people
Race & ethnicity · 2024
2024
White, non-Hispanic92%(4,565)
Black1.9%(93)
Hispanic / Latino4.5%(223)
Asian0.5%(26)
Other1.1%(55)
19
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
2.1
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Mercer County
Income rank vs other ZIPs
LOWEST9TH OF 13HIGHEST
Adjacent ZIPs
61260$41,645
61263$86,500
61272$64,167
61276$87,750
Frequently asked

How many people live in ZIP code 61231?

ZIP code 61231 has about 4,962 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 61231?

The typical household in ZIP code 61231 earns about $70,991 a year. Half of households make more than that, and half make less.

Is ZIP code 61231 expensive?

In ZIP code 61231, the median home is worth about $147,600, and the typical rent is about $815 a month.

How educated are people in ZIP code 61231?

About 25.3% of adults age 25 and over in ZIP code 61231 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 61231?

About 11.5% of people in ZIP code 61231 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024