Hancock County, IL
IllinoisComprehensive geographic, population, and economic data for Hancock County in Illinois.
Total ZIP Codes
17
Total Population
18,420
Avg Household Income
$67,411
Avg Home Value
$111,828
Largest Cities in Hancock County
Most Populated ZIP Codes
| ZIP Code | City | Population |
|---|---|---|
| 62321 | Carthage | 3,576 |
| 62341 | Hamilton | 3,433 |
| 62379 | Warsaw | 1,854 |
| 61450 | La Harpe | 1,812 |
| 62330 | Dallas City | 1,472 |
| 62354 | Nauvoo | 1,447 |
| 62367 | Plymouth | 1,294 |
| 62311 | Augusta | 872 |
| 62316 | Bowen | 705 |
| 62358 | Niota | 525 |
| 62313 | Basco | 382 |
| 62380 | West Point | 360 |
| 62373 | Sutter | 225 |
| 62374 | Tennessee | 216 |
| 62334 | Elvaston | 163 |
All Cities in Hancock County (36)
Adrian
Pop: 1,472
Augusta
Pop: 669
Basco
Pop: 59
Bentley
Pop: 22
Bowen
Pop: 552
Burnside
Pop: 1,472
Carthage
Pop: 2,291
Chili
Pop: 360
Colusa
Pop: 525
Dallas City
Pop: 894
Denver
Pop: 3,576
Disco
Pop: 1,812
Durham
Pop: 1,472
Elderville
Pop: 382
Elvaston
Pop: 163
Ferris
Pop: 105
Fountain Green
Pop: 3,576
Hamilton
Pop: 2,714
Joetta
Pop: 216
La Crosse
Pop: 1,812
La Harpe
Pop: 1,273
McCall
Pop: 3,576
Middle Creek
Pop: 3,576
Nauvoo
Pop: 931
Niota
Pop: 39
Old Niota
Pop: 525
Plymouth
Pop: 456
Pontoosuc
Pop: 108
Powellton
Pop: 1,472
Saint Mary
Pop: 1,294
Stillwell
Pop: 360
Sutter
Pop: 225
Tioga
Pop: 1,928
Warsaw
Pop: 1,518
Webster
Pop: 3,576
West Point
Pop: 201