Sangamon County, Illinois ZIP codes
54 ZIP codes are in Sangamon County, plus 4 that cross in from neighboring counties. It's part of the Springfield, IL metro area.
- ZIP codes
- 54
- Population in these ZIPs
- 194,839
- Avg. median income
- $80,400population-weighted
- Cities & towns
- 20
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Sangamon County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 62515 | Buffalo | 902 | $62,222 | $143,700 |
| 62520 | Dawson | 1,652 | $84,500 | $236,300 |
| 62530 | Divernon | 1,558 | $82,188 | $162,800 |
| 62536 | Glenarm | 1,049 | $95,809 | $297,900 |
| 62539 | Illiopolis | 1,412 | $82,750 | $147,900 |
| 62545 | Mechanicsburg | 1,101 | $84,815 | $215,800 |
| 62558 | Pawnee | 3,639 | $81,106 | $192,600 |
| 62561 | Riverton | 4,842 | $81,646 | $208,900 |
| 62563 | Rochester | 5,766 | $117,255 | $299,000 |
| 62615 | Auburn | 5,198 | $84,632 | $192,300 |
| 62625 | Cantrall | 1,003 | $167,674 | $306,400 |
| 62629 | Chatham | 15,413 | $107,250 | $307,400 |
| 62661 | Loami | 1,212 | $80,833 | $209,000 |
| 62662 PO Box | Lowder | — | — | — |
| 62670 | New Berlin | 2,682 | $78,750 | $232,100 |
| 62677 | Pleasant Plains | 2,149 | $102,917 | $256,800 |
| 62684 | Sherman | 5,760 | $139,196 | $334,000 |
| 62689 | Thayer | 542 | $61,500 | $92,300 |
| 62693 | Williamsville | 1,677 | $121,429 | $263,800 |
| 62701 | Springfield | 1,205 | $32,195 | — |
| 62702 | Springfield | 31,033 | $51,136 | $113,400 |
| 62703 | Springfield | 28,922 | $45,009 | $96,400 |
| 62704 | Springfield | 40,046 | $69,976 | $193,500 |
| 62705 PO Box | Springfield | — | — | — |
| 62706 | Springfield | 0 | — | — |
| 62707 | Springfield | 7,472 | $89,926 | $233,100 |
| 62708 PO Box | Springfield | — | — | — |
| 62711 | Springfield | 18,559 | $124,816 | $370,200 |
| 62712 | Springfield | 10,045 | $110,179 | $336,300 |
| 62715 PO Box | Springfield | — | — | — |
| 62716 PO Box | Springfield | — | — | — |
| 62719 PO Box | Springfield | — | — | — |
| 62722 PO Box | Springfield | — | — | — |
| 62723 PO Box | Springfield | — | — | — |
| 62726 PO Box | Springfield | — | — | — |
| 62736 PO Box | Springfield | — | — | — |
| 62739 PO Box | Springfield | — | — | — |
| 62756 PO Box | Springfield | — | — | — |
| 62757 PO Box | Springfield | — | — | — |
| 62761 PO Box | Springfield | — | — | — |
| 62762 PO Box | Springfield | — | — | — |
| 62763 PO Box | Springfield | — | — | — |
| 62764 PO Box | Springfield | — | — | — |
| 62765 PO Box | Springfield | — | — | — |
| 62766 PO Box | Springfield | — | — | — |
| 62767 PO Box | Springfield | — | — | — |
| 62769 PO Box | Springfield | — | — | — |
| 62776 PO Box | Springfield | — | — | — |
| 62777 PO Box | Springfield | — | — | — |
| 62781 PO Box | Springfield | — | — | — |
| 62786 PO Box | Springfield | — | — | — |
| 62791 PO Box | Springfield | — | — | — |
| 62794 PO Box | Springfield | — | — | — |
| 62796 PO Box | Springfield | — | — | — |
ZIP codes partly in Sangamon County
These ZIP codes are mostly in a neighboring county but cover part of Sangamon County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 62548 | Mount Pulaski | Logan County | 2,090 | $73,312 | $157,600 |
| 62613 | Athens | Menard County | 3,598 | $86,675 | $225,700 |
| 62690 | Virden | Macoupin County | 3,838 | $84,196 | $125,300 |
| 62692 | Waverly | Morgan County | 2,005 | $66,143 | $117,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Sangamon County
Nearby counties
Frequently asked questions
How many ZIP codes are in Sangamon County, Illinois?
54 ZIP codes are mainly in Sangamon County, and 4 more ZIP codes from neighboring areas reach partly into it.
What cities are in Sangamon County?
ZIP codes in Sangamon County use the city names Auburn, Buffalo, Cantrall, Chatham, Dawson, Divernon, Glenarm, Illiopolis, Loami, Lowder, Mechanicsburg and New Berlin and others.
What metro area is Sangamon County in?
Sangamon County is part of the Springfield, IL metropolitan statistical area.