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zipcodes.pro — STATE/IL/COUNTY/MACON

Macon County, IL ZIP codes

There are 18 ZIP codes in Macon County, IL, in 13 towns, from 61756 to 62573. The largest are 62521 (Decatur), 62526 (Decatur) and 62522 (Decatur). 1 more crosses into it from a neighbouring county: 62513.

The county seat is Decatur.

ZIP codes
18
Partly in it
1 more
Towns
13
County seat
Decatur
County FIPS
17115
Population
101,849
Median household income
$62,666
Land area
581 sq mi
Area codes
217, 447
Metro area
Decatur

Macon County ZIP codes by town

Decatur (county seat)
62521, 62522, 62523, 62524, 62525, 62526

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.

ZIP codes partly in Macon County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Macon County.

Map of Macon County ZIP codes

617566192562501625146252162522625236252462525625266253262535625376254462549625516255462573

The ZIP codes of Macon 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.

Macon County in numbers

About 101,849 people live in Macon County, in 43,468 households, the 19th most populous of Illinois's 102 counties. The median household income is $62,666 a year, 25% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $127,300 (52% below the Illinois median), and median gross rent is $847 a month. The median age is 40.6; 24.4% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 19 minutes.

Population101,849Macon101,849
Households43,468Macon43,468
Median age40.6Macon40.6Illinois39.0US 38.9
Median household income$62,666Macon$62,666Illinois$83,390US $80,734
Median home value$127,300Macon$127,300Illinois$263,300US $332,700
Median gross rent$847Macon$847Illinois$1,274US $1,413
Bachelor's degree or higher24.4%Macon24.4%Illinois37.8%US 35.7%
Mean commute19.4 minMacon19.4 minIllinois27.8 minUS 26.4 min
Population density175 / sq miMacon175 / 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 Macon County

Largest towns in Macon County
TownZIP codesPopulation
Decatur 6 69,815
Mount Zion 1 5,660
Forsyth 1 3,502
Maroa 1 1,714
Harristown 1 1,550
Macon 1 1,047
Oreana 1 1,037
Warrensburg 1 921
Argenta 1 879
Dalton City 1 694
Niantic 1 671
Boody 1 301
Elwin 1 40

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 Macon County.

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

Every ZIP code in Macon County, with figures

ZIP codes in Macon County
ZIP City Type Population Median income Median home
61756 Maroa , IL Standard 2,542 $86,375 $181,300
61925 Dalton City , IL Standard 1,182 $81,316 $133,200
62501 Argenta , IL Standard 2,324 $95,889 $172,200
62514 Boody , IL Standard 297 $53,333 $103,100
62521 Decatur , IL Standard 32,665 $66,337 $125,100
62522 Decatur , IL Standard 15,185 $50,669 $113,600
62523 Decatur , IL Standard 707 $13,393 —
62524 Decatur , IL No street area — — —
62525 Decatur , IL No street area — — —
62526 Decatur , IL Standard 30,483 $49,062 $95,100
62532 Elwin , IL Standard 40 — $122,200
62535 Forsyth , IL Standard 3,502 $112,000 $281,000
62537 Harristown , IL Standard 272 $70,455 $87,500
62544 Macon , IL Standard 1,668 $89,167 $146,500
62549 Mt Zion , IL Standard 6,454 $100,566 $185,800
62551 Niantic , IL Standard 820 $69,583 $129,200
62554 Oreana , IL Standard 1,832 $95,625 $152,600
62573 Warrensburg , IL Standard 1,147 $94,583 $160,600

Cite this page

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

Underlying data is public domain or openly licensed — sources, vintages and licences.