ZIP code 42171
Where is ZIP code 42171?
Smiths Grove, Kentucky
Warren County · Standard ZIP code
ZIP code 42171 belongs to Smiths Grove, Kentucky in Warren County. 42171 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 6,723 people live in the 42171 area, where the median household income is $70,191. The closest ZIP codes are 42163 (Rocky Hill, 3.3 mi east), 42159 (Oakland, 5.2 mi southwest) and 42160 (Park City, 8.5 mi east).
| ZIP code | 42171 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Smiths Grove |
| State | Kentucky (KY) |
| County | Warren County |
| Time zone | Central Time · now |
| Area codes | 270, 364 |
| Coordinates | 37.0581, -86.1938 map |
| 3-digit prefix | 421 |
Population and income in 42171
| Population | 6,723 · higher than 78% of Kentucky ZIP codes |
|---|---|
| People per square mile | 65 · higher than 56% of Kentucky ZIP codes |
| Median age | 41.3 years · lower than 53% of Kentucky ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $70,191 · higher than 76% of Kentucky ZIP codes |
| Income per person | $32,853 |
| Below the poverty line | 11% |
| Bachelor’s degree or higher | 12% of adults 25+ |
| Median home value | $187,500 · higher than 73% of Kentucky ZIP codes |
| Median rent | $1,008 a month |
| Housing units | 2,843 |
| Households | 2,631 (2.56 people on average) |
| Owners / renters | 76% / 24% |
| Land area | 103.24 sq mi (plus 0.58 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 42171. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 42171
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 42163 | Rocky Hill, KY | 3.3 mi E | Standard |
| 42159 | Oakland, KY | 5.2 mi SW | Standard |
| 42160 | Park City, KY | 8.5 mi E | Standard |
| 42128 | Bowling Green, KY | 12.2 mi SW | PO Box only |
| 42210 | Brownsville, KY | 12.6 mi NW | Standard |
| 42103 | Bowling Green, KY | 12.7 mi SW | Standard |
| 42102 | Bowling Green, KY | 14.2 mi SW | PO Box only |
| 42127 | Cave City, KY | 14.3 mi E | Standard |
| 42101 | Bowling Green, KY | 14.5 mi W | Standard |
| 42285 | Sweeden, KY | 15.3 mi N | Standard |
| 42259 | Mammoth Cave, KY | 15.4 mi N | Standard |
| 42141 | Glasgow, KY | 15.7 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 42171 or measure the distance to another ZIP code.
How to address mail to 42171
123 MAIN ST
SMITHS GROVE KY 42171
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (42171-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 42171?
- 42171 is a Smiths Grove, Kentucky ZIP code.
- What county is 42171 in?
- ZIP code 42171 is in Warren County, Kentucky.
- What time zone is ZIP code 42171 in?
- 42171 is in the Central Time zone (America/Chicago).
- What area code is 42171?
- Phone numbers in ZIP code 42171 use area codes 270 and 364.
- What is the population of ZIP code 42171?
- About 6,723 people live in ZIP code 42171, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 42171?
- The median household income in 42171 is $70,191 a year, higher than 76% of Kentucky ZIP codes.
- What ZIP codes are near 42171?
- The nearest ZIP codes to 42171 are 42163 (Rocky Hill, 3.3 miles), 42159 (Oakland, 5.2 miles), 42160 (Park City, 8.5 miles) and 42128 (Bowling Green, 12.2 miles).