📍 View location on OpenStreetMap (42.251860, -89.079110)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 61104 |
| Primary City | Rockford |
| State / Province | IL |
| County | Winnebago |
| Total Population | 17,222 |
| Population Density | 1,477.6 people/sq mi |
| Timezone | America/Chicago |
| Metric | ZIP 61104 | Winnebago County records | IL records |
|---|---|---|---|
| Population estimate | 17,222 | 285,063 (sum) | 12,694,745 (sum) |
| Population Density | 1,477.6 /sq mi | -- | -- |
| County population rank | #9 of 20 | -- | -- |
| State population rank | #262 of 1,390 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 61108 | Rockford | 3.9 mi | 30,355 |
| ZIP 61102 | Rockford | 4.2 mi | 15,937 |
| ZIP 61109 | Rockford | 4.3 mi | 26,768 |
| ZIP 61107 | Rockford | 4.4 mi | 30,765 |
| ZIP 61112 | Rockford | 5.4 mi | 152 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →