You are here
U.S. ZIP Code 61257
5-digit United States postal code #61257, Hillsdale, IL
ZIP code 61257 is located in the city (place name) Hillsdale, сounty Rock Island in the state of Illinois. The population in ZIP code 61257 is 1210 and the population density is 11.4. ZIP code 61257 refers to сounty Rock Island having сounty FIPS 17161, the ratio of people from different counties in this ZIP code is as follows: all county weights - 17161: 100%. In the area of the ZIP code 61257 valid time zone America/Chicago.
ZIP: 61257
County: Rock Island
Place Name: Hillsdale
State: Illinois
State Abbreviation: IL
Coordinates: 41° 35' 26.016" N, 90° 13' 21.792" W
Latitude: 41.590560000000
Longitude: -90.222720000000
Population: 1210
Density: 11.4/km2
Time zone: America/Chicago
County FIPS: 17161
All county weights: 17161: 100%