County ZIP codes · Illinois · FIPS 17049
Effingham County, IL ZIP Codes
Effingham County, Illinois has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 7 of the residential ones lie mainly in Effingham County and 7 mainly in a neighboring county; 13 cross the county line. Median household income ranges from $48,810 in 62458 (Saint Elmo) to $96,406 in 62467 (Teutopolis) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Effingham County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $66,319 and $84,635.
They carry 14 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 14 residential ZIP codes in Effingham County
7 ZIP codes lie mainly in Effingham County; 7 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 62401 | Effingham | 19,273 | 186 | $82k | $218k | 97% |
| 62411 | Altamont | 4,249 | 50 | $66k | $135k | 97% |
| 62467 | Teutopolis | 3,710 | 64 | $96k | $233k | 80% |
| 62424 | Dieterich | 2,500 | 29 | $85k | $226k | 91% |
| 62443 | Mason | 1,609 | 21 | $87k | $172k | 89% |
| 62473 | Watson | 1,264 | 58 | $75k | $105k | 100% |
| 62461 | Shumway | 625 | 15 | $74k | $156k | 71% |
Partly in Effingham County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 62426 | Edgewood | 778 | 19 | $52k | $96k | 32% |
| 62414 | Beecher City | 1,783 | 24 | $58k | $158k | 27% |
| 62458 | Saint Elmo | 2,176 | 36 | $49k | $110k | 12% |
| 62445 | Montrose | 986 | 21 | $82k | $184k | 11% |
| 62479 | Wheeler | 711 | 13 | $57k | $174k | 2% |
| 62838 | Farina | 1,341 | 14 | $83k | $133k | 1% |
| 62858 | Louisville | 3,554 | 23 | $66k | $151k | 1% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
13 ZIP codes of Effingham County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Effingham | Elsewhere |
|---|---|---|
| 62401 | 97% | Shelby County 3% |
| 62411 | 97% | Fayette County 3% |
| 62467 | 80% | Jasper County 10%; Cumberland County 9% |
| 62858 | 1% | Clay County 99% |
| 62424 | 91% | Jasper County 8%; Clay County 1% |
| 62458 | 12% | Fayette County 88% |
| 62414 | 27% | Fayette County 54%; Shelby County 19% |
| 62443 | 89% | Clay County 11% |
| 62838 | 1% | Fayette County 61%; Clay County 29%; Marion County 8% |
| 62445 | 11% | Jasper County 47%; Cumberland County 43% |
| 62426 | 32% | Clay County 56%; Fayette County 12% |
| 62479 | 2% | Jasper County 98% |
| 62461 | 71% | Shelby County 29% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Effingham County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Effingham County's ZIP codes use 2 prefixes: 624 and 628.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.