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Census place · GEOID 1726350 · Crawford County

Flat Rock, IL ZIP codes

1 ZIP/ZCTA intersecting this Census place in Crawford County.

ACS 2023 population

362

Median household income

$49,881

Median home value

$56,700

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Flat Rock (GEOID 1726350). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 1,905 (1 ZIPs).

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

Map of Flat Rock, IL

Census place boundary and intersecting ZIP Code Tabulation Areas for Flat Rock, IL
Census place boundary for Flat Rock, IL. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources
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ZIP/ZCTA overlap with Flat Rock

Population overlap

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

  • 6242720.4%

    USPS primary city

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

ZIP codes intersecting Flat Rock

ZIPCityCountyPopulationIncome
62427Flat RockCrawford County1,905$74,167