Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/IL/COUNTY/SANGAMON

Sangamon County, IL ZIP codes

There are 54 ZIP codes in Sangamon County, IL, in 20 towns, from 62515 to 62796. The largest are 62704 (Springfield), 62702 (Springfield) and 62703 (Springfield).

The county seat is Springfield.

ZIP codes
54
Towns
20
County seat
Springfield
County FIPS
17167
Population
194,947
Median household income
$75,357
Land area
868 sq mi
Area codes
217, 447
Metro area
Springfield

Sangamon County ZIP codes by town

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Sangamon County ZIP codes

625156252062530625366253962545625586256162563626156262562629626616266262670626776268462689626936270162702627036270462705627066270762708627116271262715627166271962722627236272662736627396275662757627616276262763627646276562766627676276962776627776278162786627916279462796

The ZIP codes of Sangamon County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Sangamon County in numbers

About 194,947 people live in Sangamon County, in 84,762 households, the 11th most populous of Illinois's 102 counties. The median household income is $75,357 a year, 10% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $176,300 (33% below the Illinois median), and median gross rent is $983 a month. The median age is 41.0; 36.6% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 20 minutes.

Population194,947Sangamon194,947
Households84,762Sangamon84,762
Median age41.0Sangamon41.0Illinois39.0US 38.9
Median household income$75,357Sangamon$75,357Illinois$83,390US $80,734
Median home value$176,300Sangamon$176,300Illinois$263,300US $332,700
Median gross rent$983Sangamon$983Illinois$1,274US $1,413
Bachelor's degree or higher36.6%Sangamon36.6%Illinois37.8%US 35.7%
Mean commute19.7 minSangamon19.7 minIllinois27.8 minUS 26.4 min
Population density225 / sq miSangamon225 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Sangamon County

Largest towns in Sangamon County
TownZIP codesPopulation
Springfield 35 113,330
Chatham 1 14,639
Sherman 1 4,386
Auburn 1 4,306
Rochester 1 3,766
Riverton 1 3,513
Pawnee 1 2,738
New Berlin 1 1,442
Williamsville 1 1,314
Divernon 1 1,164
Glenarm 1 1,049
Illiopolis 1 890
Pleasant Plains 1 886
Loami 1 782
Mechanicsburg 1 728

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Sangamon County.

Not sure you are in Sangamon County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Sangamon County, with figures

ZIP codes in Sangamon County
ZIP City Type Population Median income Median home
62515 Buffalo , IL Standard 902 $62,222 $143,700
62520 Dawson , IL Standard 1,652 $84,500 $226,400
62530 Divernon , IL Standard 1,558 $82,188 $160,100
62536 Glenarm , IL Standard 1,049 $95,809 $260,000
62539 Illiopolis , IL Standard 1,412 $82,750 $123,400
62545 Mechanicsburg , IL Standard 1,101 $84,815 $178,900
62558 Pawnee , IL Standard 3,639 $81,106 $172,900
62561 Riverton , IL Standard 4,842 $81,646 $165,800
62563 Rochester , IL Standard 5,766 $117,255 $262,800
62615 Auburn , IL Standard 5,198 $84,632 $165,400
62625 Cantrall , IL Standard 1,003 $167,674 $228,000
62629 Chatham , IL Standard 15,413 $107,250 $243,800
62661 Loami , IL Standard 1,212 $80,833 $180,300
62662 Lowder , IL No street area — — —
62670 New Berlin , IL Standard 2,682 $78,750 $211,900
62677 Pleasant Plains , IL Standard 2,149 $102,917 $212,500
62684 Sherman , IL Standard 5,760 $139,196 $305,300
62689 Thayer , IL Standard 542 $61,500 $92,300
62693 Williamsville , IL Standard 1,677 $121,429 $198,100
62701 Springfield , IL Standard 1,205 $32,195 —
62702 Springfield , IL Standard 31,033 $51,136 $103,500
62703 Springfield , IL Standard 28,922 $45,009 $96,500
62704 Springfield , IL Standard 40,046 $69,976 $172,600
62705 Springfield , IL No street area — — —
62706 Springfield , IL Standard 0 — —
62707 Springfield , IL Standard 7,472 $89,926 $174,600
62708 Springfield , IL No street area — — —
62711 Springfield , IL Standard 18,559 $124,816 $316,800
62712 Springfield , IL Standard 10,045 $110,179 $256,000
62715 Springfield , IL No street area — — —
62716 Springfield , IL No street area — — —
62719 Springfield , IL No street area — — —
62722 Springfield , IL No street area — — —
62723 Springfield , IL No street area — — —
62726 Springfield , IL No street area — — —
62736 Springfield , IL No street area — — —
62739 Springfield , IL No street area — — —
62756 Springfield , IL No street area — — —
62757 Springfield , IL No street area — — —
62761 Springfield , IL No street area — — —
62762 Springfield , IL No street area — — —
62763 Springfield , IL No street area — — —
62764 Springfield , IL No street area — — —
62765 Springfield , IL No street area — — —
62766 Springfield , IL No street area — — —
62767 Springfield , IL No street area — — —
62769 Springfield , IL No street area — — —
62776 Springfield , IL No street area — — —
62777 Springfield , IL No street area — — —
62781 Springfield , IL No street area — — —
62786 Springfield , IL No street area — — —
62791 Springfield , IL No street area — — —
62794 Springfield , IL No street area — — —
62796 Springfield , IL No street area — — —

Cite this page

zipcodes.pro. “Sangamon County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/il/county/sangamon

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