ZIP code 42120
Where is ZIP code 42120?
Adolphus, Kentucky
Allen County · Standard ZIP code
ZIP code 42120 belongs to Adolphus, Kentucky in Allen County. 42120 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, 364, 615 and 629. About 2,745 people live in the 42120 area, where the median household income is $64,958. The closest ZIP codes are 42164 (Scottsville, 7 mi northeast), 37186 (Westmoreland, 7.2 mi south) and 37022 (Bethpage, 11.3 mi south).
| ZIP code | 42120 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Adolphus |
| State | Kentucky (KY) |
| County | Allen County |
| Time zone | Central Time · now |
| Area codes | 270, 364, 615, 629 |
| Coordinates | 36.6775, -86.2636 map |
| 3-digit prefix | 421 |
Population and income in 42120
| Population | 2,745 · higher than 64% of Kentucky ZIP codes |
|---|---|
| People per square mile | 63 · higher than 54% of Kentucky ZIP codes |
| Median age | 38.1 years · lower than 73% of Kentucky ZIP codes |
| Men / women | 54% / 46% |
| Median household income | $64,958 · higher than 67% of Kentucky ZIP codes |
| Income per person | $25,838 |
| Below the poverty line | 7.7% |
| Bachelor’s degree or higher | 26% of adults 25+ |
| Median home value | $178,500 · higher than 69% of Kentucky ZIP codes |
| Median rent | $859 a month |
| Housing units | 1,111 |
| Households | 896 (3.06 people on average) |
| Owners / renters | 92% / 7.9% |
| Land area | 43.24 sq mi (plus 0.17 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 42120. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 42120
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 42164 | Scottsville, KY | 7 mi NE | Standard |
| 37186 | Westmoreland, TN | 7.2 mi S | Standard |
| 37022 | Bethpage, TN | 11.3 mi S | Standard |
| 42153 | Holland, KY | 11.9 mi E | Standard |
| 42122 | Alvaton, KY | 14 mi NW | Standard |
| 37148 | Portland, TN | 15.4 mi SW | Standard |
| 37119 | Mitchellville, TN | 15.6 mi W | PO Box only |
| 37083 | Lafayette, TN | 16.4 mi SE | Standard |
| 42156 | Lucas, KY | 16.8 mi NE | Standard |
| 42134 | Franklin, KY | 17.3 mi W | Standard |
| 42133 | Fountain Run, KY | 17.5 mi E | Standard |
| 42135 | Franklin, KY | 17.6 mi W | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 42120 or measure the distance to another ZIP code.
How to address mail to 42120
123 MAIN ST
ADOLPHUS KY 42120
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (42120-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 42120?
- 42120 is a Adolphus, Kentucky ZIP code.
- What county is 42120 in?
- ZIP code 42120 is in Allen County, Kentucky.
- What time zone is ZIP code 42120 in?
- 42120 is in the Central Time zone (America/Chicago).
- What area code is 42120?
- Phone numbers in ZIP code 42120 use area codes 270, 364, 615 and 629.
- What is the population of ZIP code 42120?
- About 2,745 people live in ZIP code 42120, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 42120?
- The median household income in 42120 is $64,958 a year, higher than 67% of Kentucky ZIP codes.
- What ZIP codes are near 42120?
- The nearest ZIP codes to 42120 are 42164 (Scottsville, 7 miles), 37186 (Westmoreland, 7.2 miles), 37022 (Bethpage, 11.3 miles) and 42153 (Holland, 11.9 miles).