ZIP code · Austin · Kentucky · United States
ZIP code 42123 — Austin
ZIP code 42123 serves Austin, Kentucky.
- Postal code
- 42123Single source Value from one source, not cross-checked.
- City
- Austin
- County
- Barren FIPS 21009
- State
- Kentucky
- Country
- United States
- Coordinates
- 36.8124, -85.9850 — precision precise (locality)
View on OpenStreetMap - Population
- 1,203 (ZCTA, ACS 5-year)
- Population density
- 55 / sq mi
- Land area
- 22 sq mi (57 km²) (ZCTA, ACS 5-year)
- Median household income
- $36,607
- Per-capita income
- $24,934
- Median age
- 30
- Households
- 483
- Housing units
- 609
- Median home value
- $115,200
- Congressional district
- KY-2 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 270 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 42123 with another ZIP · ZIPs within 25 miles · distance from 42123
Map of ZIP code 42123
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 26°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 49 | 58 | 69 | 77 | 85 | 88 | 88 | 82 | 71 | 59 | 48 |
| Avg low °F | 26 | 29 | 36 | 45 | 55 | 64 | 67 | 65 | 59 | 47 | 36 | 30 |
| Precip in | 3.9 | 4.3 | 4.6 | 4.9 | 5.4 | 4.8 | 5.0 | 3.7 | 3.6 | 3.7 | 3.7 | 5.1 |
NOAA 1991–2020 climate normals from the nearest station: BARREN RVR LAKE (9.7 mi) · NOAA NCEI
Places in ZIP 42123
- 2 schools
- 3 places of worship
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page