Adams County, Illinois ZIP Codes
- ZIP records
16 - Cities represented
15 - Sum of listed ZIP population estimates
64,474
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 62301 | Quincy | 30,746 |
| 2 | 62305 | Quincy | 19,036 |
| 3 | 62320 | Camp Point | 2,667 |
| 4 | 62347 | Liberty | 1,977 |
| 5 | 62351 | Mendon | 1,928 |
| 6 | 62360 | Payson | 1,605 |
| 7 | 62376 | Ursa | 1,276 |
| 8 | 62324 | Clayton | 1,196 |
| 9 | 62338 | Fowler | 1,075 |
| 10 | 62339 | Golden | 970 |
Cities in Adams County
- Camp Point
- Clayton
- Coatsburg
- Fowler
- Golden
- La Prairie
- Liberty
- Lima
- Loraine
- Mendon
- Paloma
- Payson
- Plainville
- Quincy
- Ursa
ZIP Directory
- ZIP 62301
- ZIP 62305
- ZIP 62320
- ZIP 62324
- ZIP 62325
- ZIP 62338
- ZIP 62339
- ZIP 62346
- ZIP 62347
- ZIP 62348
- ZIP 62349
- ZIP 62351
- ZIP 62359
- ZIP 62360
- ZIP 62365
- ZIP 62376
Browse all ZIP data for Illinois
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.