ZIP code 42021: Arlington, KY
42021 is a ZIP code in Arlington, Kentucky, mainly in Carlisle County, part of the Paducah, KY-IL metro area. About 1,090 people live here.
- Population
- 1,090
- Median household income
- $56,477
- Typical home value
- $118,900-1.2% in 12 months
- Median rent
- —gross, per month
- Median age
- 45
- Homeowners
- 81.5%of occupied homes
Shaded: ZIP code 42021's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 42021 details
| City | Arlington |
|---|---|
| State | Kentucky |
| County | Carlisle County (also partly Hickman County) |
| Metro area | Paducah, KY-IL |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 56.7 sq mi, plus 0.7 sq mi of water |
| Population density | 19 people per sq mi |
| Bachelor's degree or higher | 9.8% of adults 25+ |
| Average commute | 27 minutes |
| Center coordinates | 36.80568, -88.99359 |
ZIP codes near 42021
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 42023 | Bardwell, KY | 4.6 mi | 2,529 |
| 42070 | Milburn, KY | 5.2 mi | — |
| 42032 | Columbus, KY | 7.8 mi | 223 |
| 42031 | Clinton, KY | 8.3 mi | 3,411 |
| 42039 | Fancy Farm, KY | 9.4 mi | 1,694 |
| 42035 | Cunningham, KY | 11.2 mi | 816 |
| 42087 | Wickliffe, KY | 11.6 mi | 2,089 |
| 63881 | Wolf Island, MO | 12.8 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 42021?
A typical home in ZIP code 42021 is worth about $118,900 (Zillow Home Value Index). The median household here earns $56,477 a year. See what buying here would cost per month, with Kentucky average taxes and insurance filled in.
Monthly payment for a $118,900 homeWhat can a $56,477 income afford?Rental property numbers
About ZIP code 42021
What city is ZIP code 42021?
ZIP code 42021 is in Arlington, KY, in Carlisle County.
What county is ZIP code 42021 in?
42021 is mainly in Carlisle County, Kentucky, and partly in Hickman County.
What is the population of ZIP code 42021?
About 1,090 people live in ZIP code 42021, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 42021 in?
42021 is in Central Time (UTC−6). It observes daylight saving time.