There are 14 unique ZIP codes in Rockford, Illinois. Area code: 815/779.
14
ZIP codes
169.76
sq mi land
2.16
sq mi water
815/779
area code
Rockford, IL ZIP code map
About Rockford, IL
Rockford, Illinois, is a vibrant city located in Winnebago County. Known for its rich history and community spirit, Rockford is the third-largest city in the state. It boasts a unique blend of industrial heritage and natural beauty, making it an appealing destination for visitors and residents alike.
Location & geography
Rockford is situated in northern Illinois, approximately 90 miles northwest of Chicago. Neighboring cities include Beloit, Wisconsin, about 13 miles to the north; Elgin, Illinois, which lies roughly 45 miles to the southeast; and Freeport, Illinois, approximately 30 miles to the west. The city covers a land area of 169.76 square miles, complemented by a water area of 2.16 square miles.
Community & economy
The character of Rockford is defined by its close-knit communities and diverse population. Local industries include manufacturing, healthcare, and retail, contributing to a balanced economy and providing ample job opportunities for residents. Daily life in Rockford features a mix of cultural activities, outdoor events, and a strong emphasis on community involvement.
Transportation
Rockford is served by several major highways, including Interstate 90, which provides easy access to both Chicago and points west. The closest airports are Chicago Rockford International Airport and the larger O'Hare International Airport, both facilitating air travel. Public transportation options are available, including bus services that connect various parts of the city.
History
Rockford was founded in the early 19th century, with significant growth driven by its location along the Rock River. Historically, the city has been a center for furniture manufacturing and has recently diversified into technology and healthcare sectors. A notable event in Rockford's history includes the establishment of the Anderson Japanese Gardens, which has become a significant tourist attraction.
Did you know?
One surprising fact about Rockford is that it is home to the oldest continuously operated farmers' market in Illinois. Additionally, the city celebrates its cultural heritage with events like the annual Rockford Art Museum's Art Walk.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What ZIP codes does Rockford, IL have?
Rockford, IL has 9 ZIP codes: 61101, 61102, 61103, 61104, 61107, 61108, 61109, 61112, 61114. Each ZIP code serves a distinct delivery area within the city and surrounding region.
What is the main ZIP code for Rockford, IL?
The primary ZIP code for Rockford, IL is 61101. The city uses area code 815 or 779 for phone service.
What county is Rockford, IL in?
Rockford is located in Winnebago County, Illinois.
How many ZIP codes are in Rockford, IL?
Rockford, IL has 9 ZIP codes.
What ZIP code is Rockford's downtown area located in?
Rockford's downtown area is primarily located in ZIP code 61101, which serves as the central business district and historic core of the city.
Which ZIP codes serve the North End neighborhood of Rockford?
The North End neighborhood of Rockford is served by ZIP codes 61103 and 61104, covering the residential areas north of downtown near the Rock River.
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