ZIP code 42123
Where is ZIP code 42123?
Austin, Kentucky
Barren County · Standard ZIP code
ZIP code 42123 belongs to Austin, Kentucky in Barren County. 42123 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 270 and 364. About 1,149 people live in the 42123 area, where the median household income is $61,010. The closest ZIP codes are 42131 (Etoile, 3.7 mi east), 42156 (Lucas, 4.6 mi northwest) and 42133 (Fountain Run, 6.6 mi south).
| ZIP code | 42123 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Austin |
| State | Kentucky (KY) |
| County | Barren County |
| Time zone | Central Time · now |
| Area codes | 270, 364 |
| Coordinates | 36.8124, -85.985 map |
| 3-digit prefix | 421 |
Population and income in 42123
| Population | 1,149 · lower than 55% of Kentucky ZIP codes |
|---|---|
| People per square mile | 52 · lower than 53% of Kentucky ZIP codes |
| Median age | 33 years · lower than 88% of Kentucky ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $61,010 · higher than 60% of Kentucky ZIP codes |
| Income per person | $32,949 |
| Below the poverty line | 17% |
| Bachelor’s degree or higher | 15% of adults 25+ |
| Housing units | 614 |
| Households | 473 (2.43 people on average) |
| Owners / renters | 78% / 22% |
| Land area | 21.95 sq mi (plus 1.16 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 42123. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 42123
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 42131 | Etoile, KY | 3.7 mi E | Standard |
| 42156 | Lucas, KY | 4.6 mi NW | Standard |
| 42133 | Fountain Run, KY | 6.6 mi S | Standard |
| 42157 | Mount Hermon, KY | 9.6 mi E | Standard |
| 42153 | Holland, KY | 10.6 mi S | Standard |
| 42164 | Scottsville, KY | 12 mi W | Standard |
| 42141 | Glasgow, KY | 12.6 mi N | Standard |
| 42142 | Glasgow, KY | 13.3 mi N | PO Box only |
| 42130 | Eighty Eight, KY | 13.5 mi NE | Standard |
| 42140 | Gamaliel, KY | 14.5 mi SE | Standard |
| 42166 | Summer Shade, KY | 16.2 mi E | Standard |
| 42167 | Tompkinsville, KY | 16.9 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 42123 or measure the distance to another ZIP code.
How to address mail to 42123
123 MAIN ST
AUSTIN KY 42123
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Cooktown: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (42123-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 42123?
- 42123 is a Austin, Kentucky ZIP code.
- What county is 42123 in?
- ZIP code 42123 is in Barren County, Kentucky.
- What time zone is ZIP code 42123 in?
- 42123 is in the Central Time zone (America/Chicago).
- What area code is 42123?
- Phone numbers in ZIP code 42123 use area codes 270 and 364.
- What is the population of ZIP code 42123?
- About 1,149 people live in ZIP code 42123, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 42123?
- The median household income in 42123 is $61,010 a year, higher than 60% of Kentucky ZIP codes.
- What ZIP codes are near 42123?
- The nearest ZIP codes to 42123 are 42131 (Etoile, 3.7 miles), 42156 (Lucas, 4.6 miles), 42133 (Fountain Run, 6.6 miles) and 42157 (Mount Hermon, 9.6 miles).