ZIP Codes of Hart County, KY

Population & People
Population & People
Total Population
18,192
Household Income
Household Income
Median Income
$55,001
Housing
Housing
Total Housing Units
8,293
Business & Economy
Business & Economy
Total Businesses
274
Employment
Employment
Employment Rate
50.59%
Education
Education
Bachelor's Degree+
12.66%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:6 ZIP Codes (6 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:270 / 364
Timezone:Central (GMT -06:00)
Local Time:2:12:19 PM
Population:18,192 [See All]
FIPS:21099
Land Area:362 sq mi
Water Area:6 sq mi
Coordinates:37.2731, -85.8515
Quick Link:
https://www.zip-codes.com/county/ky-hart.asp
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Kentucky's #65 most populous county
18,192 residents across 6 ZIPs — #65 of 120 Kentucky counties.

Standout ZIPs in this County


Most Populous
Munfordville · 7,149 people
39.3% of county total
Highest Income
Canmer · $60,110 median
1.1× county average
Largest Land Area
Munfordville · 113.0 sq mi
Spans the most ground
Fastest Growth
Bonnieville · 28.9% (10-yr)
1,382 → 1,781 residents
Most Educated
Cub Run · 17.2% bachelor's+
230 of 1,340 adults 25+

Things worth knowing about Hart County


18,192 residents live across 6 ZIPs covering 362 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 17,195 to 18,192 from 2014 to 2024 — a +5.8% change. 3 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 42722 (Canmer, $60,110 median) and poorest ZIP 42749 (Horse Cave, $45,500) are 10.3 miles apart — a 1.3× income gap across local geography.

Median home values vary 2.9× across this county — from $65,400 in 42722 (Canmer) to $189,200 in 42729 (Cub Run).

Density varies across the county — from 32 people/sq mi in 42722 (Canmer) to 63 in 42765 (Munfordville).

Educational attainment ranges from 3.4% bachelor's+ in 42722 (Canmer) to 17.2% in 42729 (Cub Run) — the breadth of educational profiles across the area.

Within Kentucky, this is the #65 most populous of 120 counties and ranks #71 for median household income with the #31 fastest decade growth .

Weighted by population, the typical household earns about $54,577 across the county — reflecting what a typical resident sees, not a simple ZIP average.

12.7% of adults age 25+ hold a bachelor's degree or higher (1,559 of 12,311 reporting).

6 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

All ZIP Codes in Hart County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
42765MunfordvilleStandard7,149$59,688113.017.6%
42749Horse CaveStandard4,423$45,50087.0-13.2%
42729Cub RunStandard2,142$54,70645.824.3%
42746HardyvilleStandard2,101$50,00049.2-5.7%
42713BonnievilleStandard1,781$60,00048.028.9%
42722CanmerStandard596$60,11018.7-13.1%

Adjacent & Nearby Counties