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U.S. ZIP Code 61109
5-digit United States postal code #61109, Rockford, IL
ZIP code 61109 is located in the city (place name) Rockford, сounty Winnebago in the state of Illinois. The population in ZIP code 61109 is 28333 and the population density is 283.1. ZIP code 61109 refers to сounty Winnebago having сounty FIPS 17201, the ratio of people from different counties in this ZIP code is as follows: all county weights - 17141: 0.06%, 17201: 99.94%. In the area of the ZIP code 61109 valid time zone America/Chicago.
ZIP: 61109
County: Winnebago
Place Name: Rockford
State: Illinois
State Abbreviation: IL
Coordinates: 42° 11' 33.396" N, 89° 3' 12.492" W
Latitude: 42.192610000000
Longitude: -89.053470000000
Population: 28333
Density: 283.1/km2
Time zone: America/Chicago
County FIPS: 17201
All county weights: 17141: 0.06%, 17201: 99.94%