ZIP codes in Sangamon County, Illinois

Sangamon County, Illinois has 54 ZIP codes in this list, from 62515 to 62796. They cover 20 places, among them Springfield, Buffalo, Dawson and Divernon.

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ZIP code	Place	Land area (sq mi)	Map point
62515	Buffalo	57.4	39.850, -89.388
62520	Dawson	25.9	39.856, -89.460
62530	Divernon	26.6	39.569, -89.663
62536	Glenarm	7.7	39.633, -89.658
62539	Illiopolis	46.4	39.850, -89.251
62545	Mechanicsburg	26.9	39.778, -89.406
62558	Pawnee	93.7	39.609, -89.568
62561	Riverton	23.2	39.866, -89.509
62563	Rochester	59.5	39.718, -89.565
62615	Auburn	49.4	39.592, -89.744
62625	Cantrall	19.6	39.917, -89.689
62629	Chatham	34.9	39.674, -89.711
62661	Loami	38.0	39.670, -89.859
62662	Lowder	no area	39.551, -89.846
62670	New Berlin	91.8	39.768, -89.855
62677	Pleasant Plains	89.3	39.833, -89.869
62684	Sherman	25.9	39.912, -89.588
62689	Thayer	1.1	39.539, -89.762
62693	Williamsville	50.8	39.954, -89.549
62701	Springfield	0.4	39.800, -89.650
62702	Springfield	15.4	39.832, -89.647
62703	Springfield	14.9	39.762, -89.627
62704	Springfield	12.2	39.773, -89.689
62705	Springfield	no area	39.802, -89.644
62706	Springfield	0.0	39.799, -89.653
62707	Springfield	41.8	39.854, -89.654
62708	Springfield	no area	39.806, -89.586
62711	Springfield	30.9	39.766, -89.729
62712	Springfield	23.9	39.753, -89.580
62715	Springfield	no area	39.802, -89.644
62716	Springfield	no area	39.848, -89.536
62719	Springfield	no area	39.749, -89.606
62722	Springfield	no area	39.749, -89.606
62723	Springfield	no area	39.749, -89.606
62726	Springfield	no area	39.749, -89.606
62736	Springfield	no area	39.749, -89.606
62739	Springfield	no area	39.802, -89.644
62756	Springfield	no area	39.749, -89.606
62757	Springfield	no area	39.802, -89.644
62761	Springfield	no area	39.852, -89.541
62762	Springfield	no area	39.749, -89.606
62763	Springfield	no area	39.749, -89.606
62764	Springfield	no area	39.749, -89.606
62765	Springfield	no area	39.802, -89.644
62766	Springfield	no area	39.749, -89.606
62767	Springfield	no area	39.749, -89.606
62769	Springfield	no area	39.802, -89.644
62776	Springfield	no area	39.749, -89.606
62777	Springfield	no area	39.749, -89.606
62781	Springfield	no area	39.749, -89.606
62786	Springfield	no area	39.749, -89.606
62791	Springfield	no area	39.749, -89.606
62794	Springfield	no area	39.749, -89.606
62796	Springfield	no area	39.749, -89.606

The ZIP code areas of Sangamon County add up to about 907 square miles of land (2,350 sq km) as the Census Bureau draws them. The largest is 62558 (Pawnee), with 93.7 square miles.

Places with more than one code here: Springfield (35 codes).

Using these codes

In an address, the ZIP code comes last, after the city and the two-letter state: Buffalo, IL 62515.
Tap a ZIP code to open it in the look-up, with a copy button for the address line.
A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
"No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

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