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U.S. ZIP Code 61102
5-digit United States postal code #61102, Rockford, IL
ZIP code 61102 is located in the city (place name) Rockford, сounty Winnebago in the state of Illinois. The population in ZIP code 61102 is 20538 and the population density is 230.3. ZIP code 61102 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: 1.01%, 17201: 98.99%. In the area of the ZIP code 61102 valid time zone America/Chicago.
ZIP: 61102
County: Winnebago
Place Name: Rockford
State: Illinois
State Abbreviation: IL
Coordinates: 42° 13' 46.524" N, 89° 9' 26.424" W
Latitude: 42.229590000000
Longitude: -89.157340000000
Population: 20538
Density: 230.3/km2
Time zone: America/Chicago
County FIPS: 17201
All county weights: 17141: 1.01%, 17201: 98.99%