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

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/IL/COUNTY/MONTGOMERY

Montgomery County, IL ZIP codes

There are 16 ZIP codes in Montgomery County, IL, in 16 towns, from 62015 to 62572. The largest are 62056 (Litchfield), 62049 (Hillsboro) and 62075 (Nokomis).

The county seat is Hillsboro.

ZIP codes
16
Towns
16
County seat
Hillsboro
County FIPS
17135
Population
27,942
Median household income
$63,620
Land area
704 sq mi

Montgomery County ZIP codes by town

Hillsboro (county seat)
62049

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 Montgomery County ZIP codes

The ZIP codes of Montgomery 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.

Montgomery County in numbers

About 27,942 people live in Montgomery County, in 11,319 households, the 48th most populous of Illinois's 102 counties. The median household income is $63,620 a year, 24% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $112,300 (57% below the Illinois median), and median gross rent is $723 a month. The median age is 42.8; 18.3% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 23 minutes.

Population27,942Montgomery27,942
Households11,319Montgomery11,319
Median age42.8Montgomery42.8Illinois39.0US 38.9
Median household income$63,620Montgomery$63,620Illinois$83,390US $80,734
Median home value$112,300Montgomery$112,300Illinois$263,300US $332,700
Median gross rent$723Montgomery$723Illinois$1,274US $1,413
Bachelor's degree or higher18.3%Montgomery18.3%Illinois37.8%US 35.7%
Mean commute22.8 minMontgomery22.8 minIllinois27.8 minUS 26.4 min
Population density40 / sq miMontgomery40 / 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 Montgomery County

Largest towns in Montgomery County
TownZIP codesPopulation
Litchfield 1 6,834
Hillsboro 1 5,803
Nokomis 1 2,147
Raymond 1 1,030
Witt 1 875
Farmersville 1 763
Taylor Springs 1 633
Coffeen 1 592
Panama 1 420
Irving 1 355
Fillmore 1 241
Harvel 1 201
Butler 1 194
Waggoner 1 169
Walshville 1 158

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 Montgomery County.

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

Every ZIP code in Montgomery County, with figures

ZIP codes in Montgomery County
ZIP City Type Population Median income Median home
62015 Butler , IL Standard 423 $51,758 $121,700
62017 Coffeen , IL Standard 1,127 $97,625 $119,400
62032 Fillmore , IL Standard 765 $61,000 $67,800
62049 Hillsboro , IL Standard 7,871 $55,446 $127,600
62051 Irving , IL Standard 791 $64,360 $181,300
62056 Litchfield , IL Standard 8,528 $62,643 $126,500
62075 Nokomis , IL Standard 3,330 $65,954 $93,400
62076 Ohlman , IL Standard 59 $46,250 $46,200
62077 Panama , IL Standard 420 $72,917 $54,700
62089 Taylor Springs , IL Standard 487 $45,543 $68,300
62091 Walshville , IL Standard 339 $102,188 $112,500
62094 Witt , IL Standard 1,107 $60,644 $73,000
62533 Farmersville , IL Standard 908 $77,250 $128,800
62538 Harvel , IL Standard 342 $85,563 $86,700
62560 Raymond , IL Standard 1,446 $80,781 $110,000
62572 Waggoner , IL Standard 420 $92,938 $208,300

Cite this page

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

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