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ZIP Code 61101

Rockford, Illinois, United States

Standard ZIP Central Time (CT)
19,318
Population
179.6
Per sq mile
Winnebago
County

About ZIP Code 61101

ZIP code 61101 is assigned to Rockford, Winnebago County, Illinois, United States. It falls in the Central Time (CT) zone. The estimated population of this ZIP code area is 19,318 with a density of 179.6 people per square mile.

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Location Details

ZIP Code61101
CityRockford
CountyWinnebago County
StateIllinois
CountryUnited States
TimezoneCentral Time (CT)
Timezone IDAmerica/Chicago
Latitude42.3373
Longitude-89.1472
ZIP TypeStandard ZIP

Post Office

Address2440 KILBURN AVE
CityROCKFORD
StateIL

Nearby ZIP Codes in Illinois

61103
Rockford
61072
Rockton
61102
Rockford
61115
Machesney Park
61111
Loves Park
61104
Rockford

Frequently Asked Questions

What city is ZIP code 61101 in?

ZIP code 61101 is in Rockford, Winnebago County, Illinois, United States.

What county is ZIP code 61101 in?

ZIP code 61101 is in Winnebago County, Illinois.

What timezone is ZIP code 61101 in?

ZIP code 61101 is in the Central Time (CT) zone (America/Chicago).

What is the population of ZIP code 61101?

The estimated population of ZIP code 61101 is 19,318 people with a density of 179.6 people per square mile.

What state is ZIP code 61101 in?

ZIP code 61101 is in Illinois (IL), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.