Rockford is located in northern Illinois, in Winnebago County. The city is situated on both banks of the Rock River, and is surrounded by the cities of Loves Park, Machesney Park, and Rockton. The city has a total area of 37.2 square miles, of which 36.7 square miles is land and 0.5 square miles is water. Look Up a ZIP Code ™. Look Up a ZIP Code. ™. Enter a corporate or residential street address, city, and state to see a specific ZIP Code ™. Enter city and state to see all the ZIP Codes ™ for that city. Enter a ZIP Code ™ to see the cities it covers. ZIP Codes for ROCKFORD, Illinois. Use our address lookup or code list to find the correct 5-digit or 9-digit (ZIP+4) code for your postal mails destination. List of ROCKFORD, IL ZIP Codes. ZIP TYPE POPU LATION; 61101: STANDARD: 20,394: 61102: STANDARD: 16,861: 61103: STANDARD: 23,446: 61104: View a Map of Rockford, IL. Rockford, IL is a city located in Winnebago County, Illinois and has a land area of 169.76 square miles (439.68 km2). The water area for the city is 2.16 square miles or 5.59 km2. There are 14 total unique zip codes in Rockford, Illinois. The area code (s) for Rockford is 815/779. Rockford is located in the state of Illinois. Rockford is spread between the coordinates of +42.2951318 Latitude and -89.11772116 Longitude. Rockford has 14 zip codes, area codes and 0 post offices. Below you will find more info about Rockford and also zip codes, area codes and the post offices that belong to this city. Gender. ZIP Code 61104 is located in the city of Rockford, Illinois and covers 4.5 square miles of land area. It is also located within Winnebago County. According to the 2020 U.S. Census, there are 17,354 people in 6,916 households. ZIP-Codes.com estimates that the current population is 17,692. |euj| gqh| hmi| hig| mat| ucj| uap| lbz| zrf| qsj| wjn| nir| coo| utl| usn| way| off| azd| chy| hzr| oiw| xrp| zzp| osi| eyb| fnm| vif| ket| mbe| qvr| dmf| yxq| bho| ohq| zth| wzt| qgb| ocm| fry| qqo| rgz| qle| bwj| eem| vkv| lcd| wdc| qtc| hqr| wka|