ZIP Codes of Calloway County, KY

Population & People
Population & People
Total Population
37,791
Household Income
Household Income
Median Income
$60,170
Housing
Housing
Total Housing Units
17,868
Business & Economy
Business & Economy
Total Businesses
906
Employment
Employment
Employment Rate
55.20%
Education
Education
Bachelor's Degree+
31.48%
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:2:12:17 PM
Population:37,791 [See All]
FIPS:21035
CBSA:Murray, KY
Land Area:420 sq mi
Water Area:26 sq mi
Coordinates:36.6446, -88.2676
Quick Link:
https://www.zip-codes.com/county/ky-calloway.asp
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Among America's 50 most Hispanic-majority counties
0.2% Hispanic or Latino — #49 nationwide.
Kentucky's shortest commutes
17-minute avg commute — the shortest in the state.
Notable income spread
Median income ranges $36,250 to $97,904 across ZIPs — a 2.7× gap.
Striking education divide
Bachelor's share spans 5.4% to 40.9% — a 35-point gap.

Standout ZIPs in this County


Most Populous
Murray · 30,981 people
82.0% of county total
Highest Income
Dexter · $97,904 median
1.6× county average
Largest Land Area
Murray · 231.0 sq mi
Spans the most ground
Fastest Growth
Almo · 6.4% (10-yr)
2,326 → 2,476 residents
Most Educated
Almo · 40.9% bachelor's+
668 of 1,634 adults 25+

Things worth knowing about Calloway County


37,791 residents live across 6 ZIPs covering 420 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 37,547 to 37,791 from 2014 to 2024 — a +0.6% change. 2 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 42036 (Dexter, $97,904 median) and poorest ZIP 42076 (New Concord, $36,250) are 13.2 miles apart — a 2.7× income gap across local geography.

Median home values vary 1.6× across this county — from $119,500 in 42036 (Dexter) to $190,300 in 42071 (Murray).

Density varies across the county — from 18 people/sq mi in 42076 (New Concord) to 134 in 42071 (Murray).

Educational attainment ranges from 5.4% bachelor's+ in 42036 (Dexter) to 40.9% in 42020 (Almo) — the breadth of educational profiles across the area.

Within Kentucky, this is the #28 most populous of 120 counties and ranks #55 for median household income .

Weighted by population, the typical household earns about $52,586 across the county — reflecting what a typical resident sees, not a simple ZIP average.

31.5% of adults age 25+ hold a bachelor's degree or higher (7,335 of 23,304 reporting).

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

Stories about Calloway County


Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Murray

All ZIP Codes in Calloway County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
42071MurrayStandard30,981$50,198231.03.4%
42020AlmoStandard2,476$64,83828.36.4%
42049HazelStandard1,311$52,91744.6-33.3%
42036DexterStandard1,194$97,90427.1-4.1%
42076New ConcordStandard992$36,25055.9-2.7%
42054KirkseyStandard837$58,91133.1-19.1%

Adjacent & Nearby Counties