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zipcodes.pro — STATE/IL/COUNTY/HARDIN

Hardin County, IL ZIP codes

Hardin County, IL has 4 ZIP codes, in 4 towns: 62931, 62982, 62919 and 62955. 1 more crosses into it from a neighbouring county: 62947.

The county seat is Elizabethtown.

ZIP codes
4
Partly in it
1 more
Towns
4
County seat
Elizabethtown
County FIPS
17069
Population
3,605
Median household income
$54,271
Land area
177 sq mi

Hardin County ZIP codes by town

Elizabethtown (county seat)
62931

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 Hardin County

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

Map of Hardin County ZIP codes

The ZIP codes of Hardin 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.

Hardin County in numbers

About 3,605 people live in Hardin County, in 1,545 households, the 102nd most populous of Illinois's 102 counties. The median household income is $54,271 a year, 35% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $103,800 (61% below the Illinois median), and median gross rent is $379 a month. The median age is 53.6; 13.3% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 28 minutes.

Population3,605Hardin3,605
Households1,545Hardin1,545
Median age53.6Hardin53.6Illinois39.0US 38.9
Median household income$54,271Hardin$54,271Illinois$83,390US $80,734
Median home value$103,800Hardin$103,800Illinois$263,300US $332,700
Median gross rent$379Hardin$379Illinois$1,274US $1,413
Bachelor's degree or higher13.3%Hardin13.3%Illinois37.8%US 35.7%
Mean commute28.2 minHardin28.2 minIllinois27.8 minUS 26.4 min
Population density20 / sq miHardin20 / 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 Hardin County

Largest towns in Hardin County
TownZIP codesPopulation
Rosiclare 1 961
Elizabethtown 1 396
Cave In Rock 1 210

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 Hardin County.

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

Every ZIP code in Hardin County, with figures

ZIP codes in Hardin County
ZIP City Type Population Median income Median home
62919 Cave In Rock , IL Standard 819 $63,942 $161,900
62931 Elizabethtown , IL Standard 1,348 $49,605 $105,100
62955 Karbers Ridge , IL No street area — — —
62982 Rosiclare , IL Standard 1,016 $43,750 $61,300

Cite this page

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

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