ZIP code 42431
Where is ZIP code 42431?
Madisonville, Kentucky
Hopkins County · Standard ZIP code
ZIP code 42431 belongs to Madisonville, Kentucky in Hopkins County. 42431 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 27,207 people live in the 42431 area, where the median household income is $54,905. The closest ZIP codes are 42410 (Earlington, 3.7 mi south), 42440 (Mortons Gap, 5.6 mi south) and 42436 (Manitou, 6.8 mi northwest).
| ZIP code | 42431 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Madisonville |
| State | Kentucky (KY) |
| County | Hopkins County |
| Time zone | Central Time · now |
| Area codes | 270, 364 |
| Coordinates | 37.3256, -87.4953 map |
| 3-digit prefix | 424 |
Population and income in 42431
| Population | 27,207 · higher than 94% of Kentucky ZIP codes |
|---|---|
| People per square mile | 163 · higher than 78% of Kentucky ZIP codes |
| Median age | 40.2 years · lower than 61% of Kentucky ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $54,905 · lower than 54% of Kentucky ZIP codes |
| Income per person | $29,753 |
| Below the poverty line | 22% |
| Bachelor’s degree or higher | 20% of adults 25+ |
| Median home value | $160,700 · higher than 59% of Kentucky ZIP codes |
| Median rent | $850 a month |
| Housing units | 12,720 |
| Households | 11,270 (2.35 people on average) |
| Owners / renters | 67% / 34% |
| Land area | 166.67 sq mi (plus 6.35 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 42431. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 42431
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 42410 | Earlington, KY | 3.7 mi S | Standard |
| 42440 | Mortons Gap, KY | 5.6 mi S | PO Box only |
| 42436 | Manitou, KY | 6.8 mi NW | Standard |
| 42413 | Hanson, KY | 7.9 mi N | Standard |
| 42442 | Nortonville, KY | 10 mi S | Standard |
| 42441 | Nebo, KY | 10.9 mi W | Standard |
| 42453 | Saint Charles, KY | 12.1 mi S | Standard |
| 42344 | Graham, KY | 12.2 mi SE | Standard |
| 42456 | Slaughters, KY | 12.4 mi N | Standard |
| 42464 | White Plains, KY | 12.4 mi SE | Standard |
| 42408 | Dawson Springs, KY | 13.6 mi SW | Standard |
| 42372 | Sacramento, KY | 13.7 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 42431 or measure the distance to another ZIP code.
How to address mail to 42431
123 MAIN ST
MADISONVILLE KY 42431
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (42431-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 42431?
- 42431 is a Madisonville, Kentucky ZIP code.
- What county is 42431 in?
- ZIP code 42431 is in Hopkins County, Kentucky.
- What time zone is ZIP code 42431 in?
- 42431 is in the Central Time zone (America/Chicago).
- What area code is 42431?
- Phone numbers in ZIP code 42431 use area codes 270 and 364.
- What is the population of ZIP code 42431?
- About 27,207 people live in ZIP code 42431, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 42431?
- The median household income in 42431 is $54,905 a year, lower than 54% of Kentucky ZIP codes.
- What ZIP codes are near 42431?
- The nearest ZIP codes to 42431 are 42410 (Earlington, 3.7 miles), 42440 (Mortons Gap, 5.6 miles), 42436 (Manitou, 6.8 miles) and 42413 (Hanson, 7.9 miles).