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/LOGAN

Logan County, IL ZIP codes

There are 14 ZIP codes in Logan County, IL, in 14 towns, from 61723 to 62671. The largest are 62656 (Lincoln), 61723 (Atlanta) and 62548 (Mount Pulaski).

The county seat is Lincoln.

ZIP codes
14
Towns
14
County seat
Lincoln
County FIPS
17107
Population
27,713
Median household income
$66,358
Land area
618 sq mi
Metro area
Lincoln

Logan County ZIP codes by town

Lincoln (county seat)
62656

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 Logan County ZIP codes

The ZIP codes of Logan 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.

Logan County in numbers

About 27,713 people live in Logan County, in 11,266 households, the 49th most populous of Illinois's 102 counties. The median household income is $66,358 a year, 20% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $134,400 (49% below the Illinois median), and median gross rent is $829 a month. The median age is 41.1; 20.9% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 21 minutes.

Population27,713Logan27,713
Households11,266Logan11,266
Median age41.1Logan41.1Illinois39.0US 38.9
Median household income$66,358Logan$66,358Illinois$83,390US $80,734
Median home value$134,400Logan$134,400Illinois$263,300US $332,700
Median gross rent$829Logan$829Illinois$1,274US $1,413
Bachelor's degree or higher20.9%Logan20.9%Illinois37.8%US 35.7%
Mean commute21.0 minLogan21.0 minIllinois27.8 minUS 26.4 min
Population density45 / sq miLogan45 / 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 Logan County

Largest towns in Logan County
TownZIP codesPopulation
Lincoln 1 13,281
Atlanta 1 1,580
Mount Pulaski 1 1,507
Elkhart 1 533
Hartsburg 1 415
Emden 1 387
Chestnut 1 347
Latham 1 297
Middletown 1 249
New Holland 1 216
Beason 1 142
Lake Fork 1 54
Lawndale 1 32
Cornland 1 24

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 Logan County.

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

Every ZIP code in Logan County, with figures

ZIP codes in Logan County
ZIP City Type Population Median income Median home
61723 Atlanta , IL Standard 2,005 $85,230 $150,800
61751 Lawndale , IL Standard 32 — $93,300
62512 Beason , IL Standard 446 $55,347 $131,000
62518 Chestnut , IL Standard 509 — $140,300
62519 Cornland , IL Standard 24 — —
62541 Lake Fork , IL Standard 54 — —
62543 Latham , IL Standard 477 $73,594 $87,800
62548 Mount Pulaski , IL Standard 2,090 $73,312 $119,400
62634 Elkhart , IL Standard 1,263 $93,571 $124,200
62635 Emden , IL Standard 661 $77,750 $131,600
62643 Hartsburg , IL Standard 797 $75,625 $96,400
62656 Lincoln , IL Standard 18,234 $62,017 $141,600
62666 Middletown , IL Standard 485 $89,167 $140,300
62671 New Holland , IL Standard 362 $98,750 $108,900

Cite this page

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

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