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zipcodes.pro — STATE/KY/COUNTY/BARREN

Barren County, KY ZIP codes

There are 8 ZIP codes in Barren County, KY, in 7 towns, from 42123 to 42156. The largest are 42141 (Glasgow), 42127 (Cave City) and 42123 (Austin). 3 more cross into it from neighbouring counties: 42171, 42160 and 42133.

The county seat is Glasgow.

ZIP codes
8
Partly in it
3 more
Towns
7
County seat
Glasgow
County FIPS
21009
Population
44,938
Median household income
$50,628
Land area
487 sq mi
Area codes
270, 364
Metro area
Glasgow

Barren County ZIP codes by town

Glasgow (county seat)
42141, 42142

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 Barren County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Barren County.

Map of Barren County ZIP codes

4212342127421304213142141421424215242156

The ZIP codes of Barren 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.

Barren County in numbers

About 44,938 people live in Barren County, in 18,017 households, the 24th most populous of Kentucky's 120 counties. The median household income is $50,628 a year, 21% below the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $178,000 (13% below the Kentucky median), and median gross rent is $796 a month. The median age is 39.8; 18.3% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 23 minutes.

Population44,938Barren44,938
Households18,017Barren18,017
Median age39.8Barren39.8Kentucky39.1US 38.9
Median household income$50,628Barren$50,628Kentucky$63,726US $80,734
Median home value$178,000Barren$178,000Kentucky$205,600US $332,700
Median gross rent$796Barren$796Kentucky$967US $1,413
Bachelor's degree or higher18.3%Barren18.3%Kentucky27.6%US 35.7%
Mean commute23.4 minBarren23.4 minKentucky24.0 minUS 26.4 min
Population density92 / sq miBarren92 / 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 Barren County

Largest towns in Barren County
TownZIP codesPopulation
Glasgow 2 15,197
Cave City 1 2,730
Austin 1 1,149
Lucas 1 235
Eighty Eight 1 124
Hiseville 1 99
Etoile 1 72

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 Barren County.

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

Every ZIP code in Barren County, with figures

ZIP codes in Barren County
ZIP City Type Population Median income Median home
42123 Austin , KY Standard 1,149 $61,010 —
42127 Cave City , KY Standard 7,030 $42,893 $164,000
42130 Eighty Eight , KY Standard 124 — $222,300
42131 Etoile , KY Standard 72 — —
42141 Glasgow , KY Standard 31,506 $52,896 $184,700
42142 Glasgow , KY No street area — — —
42152 Hiseville , KY No street area — — —
42156 Lucas , KY Standard 235 $98,000 $211,900

Cite this page

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

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