Barren County, Kentucky ZIP codes
8 ZIP codes are in Barren County, plus 6 that cross in from neighboring counties. It's part of the Glasgow, KY micro area.
- ZIP codes
- 8
- Population in these ZIPs
- 40,116
- Avg. median income
- $51,600population-weighted
- Cities & towns
- 7
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Barren County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 42123 | Austin | 1,149 | $61,010 | $218,400 |
| 42127 | Cave City | 7,030 | $42,893 | $207,600 |
| 42130 | Eighty Eight | 124 | — | $222,300 |
| 42131 | Etoile | 72 | — | — |
| 42141 | Glasgow | 31,506 | $52,896 | $215,000 |
| 42142 PO Box | Glasgow | — | — | — |
| 42152 PO Box | Hiseville | — | — | — |
| 42156 | Lucas | 235 | $98,000 | $211,900 |
ZIP codes partly in Barren County
These ZIP codes are mostly in a neighboring county but cover part of Barren County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 42133 | Fountain Run | Monroe County | 1,456 | $62,353 | $154,300 |
| 42154 | Knob Lick | Metcalfe County | 629 | $58,036 | $196,200 |
| 42160 | Park City | Edmonson County | 2,822 | $49,364 | $196,400 |
| 42166 | Summer Shade | Metcalfe County | 2,691 | $49,783 | $190,700 |
| 42171 | Smiths Grove | Warren County | 6,723 | $70,191 | $253,700 |
| 42749 | Horse Cave | Hart County | 4,423 | $45,500 | $171,900 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Barren County
Nearby counties
Frequently asked questions
How many ZIP codes are in Barren County, Kentucky?
8 ZIP codes are mainly in Barren County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in Barren County?
ZIP codes in Barren County use the city names Austin, Cave City, Eighty Eight, Etoile, Glasgow, Hiseville and Lucas.
What metro area is Barren County in?
Barren County is part of the Glasgow, KY micropolitan statistical area.