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zipcodes.pro — STATE/KY/COUNTY/TRIGG

Trigg County, KY ZIP codes

Trigg County, KY has one ZIP code: 42211.

The county seat is Cadiz.

ZIP codes
1
Towns
1
County seat
Cadiz
County FIPS
21221
Population
14,315
Median household income
$59,857
Land area
441 sq mi
Metro area
Clarksville

Trigg County ZIP codes by town

Cadiz (county seat)
42211

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 Trigg County ZIP codes

42211

The ZIP codes of Trigg 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.

Trigg County in numbers

About 14,315 people live in Trigg County, in 6,060 households, the 76th most populous of Kentucky's 120 counties. The median household income is $59,857 a year, 6% below the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $207,700 (about the same as the Kentucky median), and median gross rent is $803 a month. The median age is 45.8; 21.7% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 24 minutes.

Population14,315Trigg14,315
Households6,060Trigg6,060
Median age45.8Trigg45.8Kentucky39.1US 38.9
Median household income$59,857Trigg$59,857Kentucky$63,726US $80,734
Median home value$207,700Trigg$207,700Kentucky$205,600US $332,700
Median gross rent$803Trigg$803Kentucky$967US $1,413
Bachelor's degree or higher21.7%Trigg21.7%Kentucky27.6%US 35.7%
Mean commute24.3 minTrigg24.3 minKentucky24.0 minUS 26.4 min
Population density32 / sq miTrigg32 / 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.

Neighbouring counties

Counties that share a ZIP code with Trigg County.

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

Every ZIP code in Trigg County, with figures

ZIP codes in Trigg County
ZIP City Type Population Median income Median home
42211 Cadiz , KY Standard 13,475 $59,804 $210,000

Cite this page

zipcodes.pro. “Trigg County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ky/county/trigg

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