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Census place · GEOID 1765000 · Winnebago County

Rockford, IL ZIP codes

10 ZIP/ZCTAs intersecting this Census place in Winnebago County.

ACS 2023 population

147,649

Median household income

$53,328

Median home value

$120,900

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Rockford (GEOID 1765000). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 204,563 (10 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 Rockford, IL

Census place boundary and intersecting ZIP Code Tabulation Areas for Rockford, IL
Census place boundary for Rockford, 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 Rockford

Population overlap

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

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 Rockford

USPS associates these ZIPs with Rockford

These codes list Rockford as a primary or acceptable city. They are not used for the ACS headline.