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County · GEOID 17009

Brown County, IL ZIP codes

5 ZIP/ZCTAs intersecting this county.

ACS 2023 population

6,320

Median household income

$72,288

Median home value

$142,200

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Brown County (GEOID 17009). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 7,938 (5 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

Brown County, IL ZIP code map

Census ZIP Code Tabulation Areas in Brown County, IL
ZIP Code Tabulation Areas inside Brown County, IL. Boundaries: U.S. Census Bureau. Methodology · Data sources
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ZIP/ZCTA overlap with Brown County

Population overlap

Share of each ZIP/ZCTA’s population located within Brown County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Brown County