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ZIP CODE TABULATION AREA

61243

Illinois · 155 residents · 25.667 sq mi
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ZIP 61243 is significantly wealthier than the US average, with a median household income of $148,309. Population has held roughly steady since 2024. Median home value is $172,700. With a median age of 49.8, the population is older than the US median of 38.9. Poverty is rare here, at 2.6% of residents. Households here earn about 120% more than the Whiteside County median. Among the 12 ZIP codes in Whiteside County, 61243 ranks 1st by median household income.

$148,309
US average: $82,259
$172,700
US average: $376,019
30.0%
US average: 35.6%
Age, sex & households
Under 18
8.4%
Age 65+
14.2%
49.0%
51.0%
2.63 people
Race & ethnicity · 2024
2024
White, non-Hispanic97.4%(151)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other2.6%(4)
Diversity Score6.3%(10)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Whiteside County
Income rank vs other ZIPs
LOWEST1ST OF 12HIGHEST
Adjacent ZIPs
61037$70,357
61071$60,508
61081$67,586
61230$62,344
Frequently asked

How many people live in ZIP code 61243?

ZIP code 61243 has about 155 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 61243?

The typical household in ZIP code 61243 earns about $148,309 a year. Half of households make more than that, and half make less.

Is ZIP code 61243 expensive?

In ZIP code 61243, the median home is worth about $172,700.

How educated are people in ZIP code 61243?

About 30.0% of adults age 25 and over in ZIP code 61243 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 61243?

About 2.6% of people in ZIP code 61243 live below the federal poverty line.

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