Zip Codes In Rockford Illinois

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Rockford, Illinois, a vibrant city nestled in Winnebago County, boasts a diverse array of zip codes that cover its expansive urban landscape. With a population of 148,655 as of the 2020 census, the city is served by multiple postal districts that help organize and streamline mail delivery across its various neighborhoods and communities.

Understanding Rockford’s Postal Zones

The city of Rockford is uniquely characterized by 14 distinct zip codes, which range from 61101 to 61126. These postal zones not only facilitate mail distribution but also provide insights into the city’s geographical and demographic diversity. Each zip code represents a specific area within Rockford, offering a glimpse into the city’s intricate urban fabric.

Primary Zip Code Breakdown

Here’s a detailed look at the most significant zip codes in Rockford:

Zip Code	Population	Percentage of City Population
61107	30,722	15.11%
61108	29,660	14.58%
61103	23,294	11.45%
61109	26,958	13.26%

Zip Code Characteristics

Interestingly, Rockford’s postal zones include both standard zip codes and P.O. Box zip codes. While some areas like 61107 and 61108 represent densely populated neighborhoods, others such as 61112 have minimal population coverage, with just 139 residents.

Geographical Insights

The zip codes in Rockford are not just numerical identifiers but reflect the city’s complex urban landscape. Some zip codes even have alias names associated with them: - 61103 is associated with Machesney Park - 61109 includes areas like Morristown and New Milford - 61115 covers Loves Park and Machesney Park

Area Coverage and Demographics

These zip codes span across Winnebago County, representing diverse communities within Rockford. The city’s demographic makeup is reflected in these postal zones, with a mix of residential, commercial, and industrial areas.

Population Distribution

• Total ZIP Code Population: Approximately 201,068 residents
• Average Household Size: 2.3 persons
• Ethnic Diversity:
  • White: Largest demographic group
  • Hispanic or Latino: 20.6% of the population
  • Black or African American: Significant representation

🏙️ Note: ZIP codes can change over time, so always verify the most current postal information with the United States Postal Service.

Rockford’s zip codes tell a story of a dynamic, evolving city. From the bustling 61107 to the more compact 61112, each postal zone contributes to the rich tapestry of this Illinois metropolitan area. Whether you’re a resident, business owner, or just curious about urban geography, these zip codes offer a fascinating glimpse into Rockford’s spatial organization.