Residential delivery area · Kentucky
ZIP Code 42127: Cave City, KY
ZIP code 42127 uses the postal name Cave City, Kentucky and lies mostly in Barren County (85% of its land) with the rest in Hart County (Census 2020 ZIP-county file). About 7,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $42,893 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Cave City (5%) and Hiseville (under 1%); 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Cave City · its only residential ZIP
- County
- Barren County (85%); Hart County (15%)
- Census places
- Cave City (5%); Hiseville (under 1%) census-designated place
- Micro area
- Glasgow, KY
- House district
- KY-2 119th Congress
- State
- Kentucky
- Time zone
- Central
- Land area
- 89.7 sq mi · 78 people per sq mi
Where is ZIP code 42127?
42127 centers on 37.123°, -85.927° and covers 89.7 square miles of land plus 0.8 of water. It borders 3 ZIP codes: 42749, 42160, 42141.
The map draws ZIP code areas only. For the streets inside 42127, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 42127 compare with the rest of Barren County?
| Measure | 42127 | In Barren County | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 7,030 | 2nd of 12 | 166th of 780 |
| Median household income | $43k | 6th of 6 | 279th of 310 |
| Median home value | $164k | 3rd of 5 | 178th of 320 |
Its median household income is higher than in 8% of U.S. residential ZIP codes, and it is denser than 50% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 42127?
The 2020 Census counted 6,394 people in 42127; the ACS, which samples households over 2020-2024, estimates 7,030. Between the 2010 and 2020 censuses its population grew 3.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 7,030±710 (90% margin)
- 2020 Census count
- 6,394+3.1% since 2010 (6,199)
- Households
- 3,012
- Median age
- 43.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 42127?
Of the 7,030 people the ACS estimates in 42127, 19.4% are under 18 and 16.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.7%).
- Under 1819.4%
- 18 to 6464.0%
- 65 and older16.6%
- White, not Hispanic89.7%
- Other or two or more3.1%
- Black, not Hispanic3.0%
- Hispanic or Latino2.7%
- Asian, not Hispanic1.5%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 42127 earn?
Median household income is $42,893 (ACS 2020-2024), the 6th highest of the 6 ranked ZIP codes in Barren County. It is not measurably different from 2015-2019 ($47,422 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $42,893±$6,267
- Income per person
- $25,056
- Below the poverty line
- 22.8%
- Unemployed (of the labor force)
- 7.3%
- Adults 25+ with a bachelor's degree
- 12.1%
- Adjusted gross income per tax return, 2022
- $50,5252,610 returns; wages 71% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 42127?
FHFA's house price index for 42127, built from repeat sales and appraisals of the same homes, rose 133% from 2015 to 2025 and rose 85% from 2020 to 2025, and moved +28.3% in 2025.
- Median home value (owners' estimate)
- $164,000
- Median gross rent
- $713
- Homes owned by their occupants
- 50.9%
- Housing units
- 3,257
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 42127?
100 business establishments had a location in this ZIP code in 2023, 8 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade24
- Accommodation and food services22
- Health care and social assistance11
- Arts, entertainment, and recreation8
- Construction6
- Wholesale trade5
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 42127?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 42749 | Horse Cave | 4,423 | $46k | 5.0 mi |
| 42160 | Park City | 2,822 | $49k | 9.0 mi |
| 42141 | Glasgow | 31,506 | $53k | 12.7 mi |
| 42163 | Rocky Hill | 48 | – | 11.8 mi (near) |
| 42154 | Knob Lick | 629 | $58k | 12.4 mi (near) |
| 42746 | Hardyville | 2,101 | $50k | 12.4 mi (near) |
| 42214 | Center | 749 | $47k | 12.5 mi (near) |
| 42765 | Munfordville | 7,149 | $60k | 12.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.