Rockford, Illinois
Rockford is a city in Winnebago County, Illinois, with an estimated population of 146,120 in 2023. It sits at 42.2588, -89.0646 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Rockford |
| Type | city |
| State | Illinois (IL) |
| County | Winnebago County |
| Population (2023 est.) | 146,120 |
| Land area | 65.08 sq mi (168.57 km²) |
| Coordinates | 42.2588, -89.0646 |
| Time zone | America/Chicago |
| ZIP codes | 61101, 61102, 61103, 61104, 61105, 61106, 61107, 61108, 61109, 61110, 61112, 61114 |
| Telephone area codes | 779, 815 |
This place also extends into Ogle County.
ZIP codes and area codes for Rockford
Rockford covers 12 ZIP codes: 61101, 61102, 61103, 61104, 61105, 61106, 61107, 61108, 61109, 61110, 61112, 61114. Telephone area codes serving the area: 779, 815. Browse all ZIP codes in Illinois for the full list.
Where is Rockford?
Rockford is located in Illinois, in Winnebago County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Other places in Winnebago County
Frequently asked questions
What county is Rockford, IL in?
Rockford is in Winnebago County, Illinois.
What is the population of Rockford, IL?
The 2023 Census Bureau estimate is 146,120.
What time zone is Rockford in?
Rockford is in the America/Chicago time zone.