City ZIP codes · Illinois
Springfield, IL ZIP Codes
35 ZIP codes use the postal name Springfield, Illinois (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 8 residential and 27 for PO boxes or a single organization. Median household income runs from $32,195 in 62701 to $124,816 in 62711, 3.9 times as much (Census Bureau, ACS 2020-2024). Springfield's most populous ZIP code is 62704, with 40,046 people (ACS 2020-2024); 84% of its land is in the city of Springfield.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Springfield's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Springfield's ZIP codes?
The highest median household income is in 62711 ($124,816), the lowest in 62701 ($32,195). Home values run from $96,500 in 62703 to $316,800 in 62711.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 8 residential ZIP codes of Springfield
| County | |||||
|---|---|---|---|---|---|
| 62704 | Sangamon County | 40,046 | 3,275 | $70k | $173k |
| 62702 | Sangamon County | 31,033 | 2,020 | $51k | $104k |
| 62703 | Sangamon County | 28,922 | 1,939 | $45k | $97k |
| 62711 | Sangamon County | 18,559 | 600 | $125k | $317k |
| 62712 | Sangamon County | 10,045 | 421 | $110k | $256k |
| 62707 | Sangamon County | 7,472 | 179 | $90k | $175k |
| 62701 | Sangamon County | 1,205 | 3,098 | $32k | – |
| 62706 | Sangamon County | no residents | 0 | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
PO Box and single-organization ZIP codes in Springfield
27 ZIP codes named Springfield have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.
| ZIP | County |
|---|---|
| 62705 | Sangamon County |
| 62708 | Sangamon County |
| 62715 | Sangamon County |
| 62716 | Sangamon County |
| 62719 | Sangamon County |
| 62722 | Sangamon County |
| 62723 | Sangamon County |
| 62726 | Sangamon County |
| 62736 | Sangamon County |
| 62739 | Sangamon County |
| 62756 | Sangamon County |
| 62757 | Sangamon County |
| 62761 | Sangamon County |
| 62762 | Sangamon County |
| 62763 | Sangamon County |
| 62764 | Sangamon County |
| 62765 | Sangamon County |
| 62766 | Sangamon County |
| 62767 | Sangamon County |
| 62769 | Sangamon County |
| 62776 | Sangamon County |
| 62777 | Sangamon County |
| 62781 | Sangamon County |
| 62786 | Sangamon County |
| 62791 | Sangamon County |
| 62794 | Sangamon County |
| 62796 | Sangamon County |
Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.
Which counties do Springfield's ZIP codes reach?
Springfield's residential ZIP codes lie in Sangamon County.
Which places do Springfield's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Springfield's residential ZIP codes cover Springfield itself and 5 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Springfield's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Springfield starts with 627.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 627 | Springfield, IL (SCF 625) | 35 | 35 |
All 35 ZIP codes that start with 627 are Springfield's: 8 residential codes and 27 PO Box or unique codes, sorted at Springfield, IL (SCF 625).
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.