📍 View location on OpenStreetMap (40.860670, -90.217390)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 61436 |
| Primary City | Gilson |
| State / Province | IL |
| County | Knox |
| Total Population | 745 |
| Population Density | 4.7 people/sq mi |
| Timezone | America/Chicago |
| Metric | ZIP 61436 | Knox County records | IL records |
|---|---|---|---|
| Population estimate | 745 | 49,261 (sum) | 12,694,745 (sum) |
| Population Density | 4.7 /sq mi | -- | -- |
| County population rank | #9 of 17 | -- | -- |
| State population rank | #991 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 61448 | Knoxville | 5.2 mi | 3,947 |
| ZIP 61458 | Maquon | 5.9 mi | 656 |
| ZIP 61428 | Dahinda | 7.5 mi | 1,278 |
| ZIP 61430 | East Galesburg | 7.6 mi | 713 |
| ZIP 61572 | Yates City | 10.5 mi | 732 |
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 →