42320
ZIP 42320 is Beaver Dam, Kentucky, mostly in Ohio County; area codes 270 and 364; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Ohio +1 more
- Metro area
- none
- Population
- 9,128
- Coordinates
- 37.3327, -86.8670
Weather right now
Asking the National Weather Service…
Where 42320 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 42320 into a pocket calculator and turn it upside down: OZEZh — not quite a word, sorry.
- ➕ As a number, 42,320 = 2 × 2 × 2 × 2 × 5 × 23 × 23. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1010010101010000 - 🏠 Its numerical neighbours: 42304 (Owensboro, KY, 32 mi away) and 42321 (Beech Creek, KY, 15 mi away).
- 🔄 Backwards, 42320 becomes 02324 — and that is a real ZIP code: Bridgewater, MA, 902 miles away.
- 👥 35 other ZIP codes are made of exactly the same digits (02324, 03224, 03242, 04223, 20423, 22034, …). The farthest-flung twin is 34022 in APO AA, a military post office, 1,607 miles away.
- 🧭 Farther south than 62% of all ZIP codes, and farther east than 52%.
- 🎯655 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 42320 and you would come out at 37.33°S, 93.13°E — 1,341 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 44m of daylight. Shortest: 9h 35m.
- 📏 At 148.8 square miles of land, 42320 is bigger than 86% of ZIP codes — room for about 113 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 9,128This ZIP9,128 |
|---|---|
| Households | 3,361This ZIP3,361 |
| Housing units | 3,789This ZIP3,789 |
| Median age | 38.4This ZIP38.4Kentucky39.1US 38.9 |
| Median household income | $54,730This ZIP$54,730Kentucky$63,726US $80,734 |
| Median home value | $150,200This ZIP$150,200Kentucky$205,600US $332,700 |
| Median gross rent | $745This ZIP$745Kentucky$967US $1,413 |
| Bachelor's degree or higher | 14.0%This ZIP14.0% |
| Mean commute | 28.9 minThis ZIP28.9 min |
| Population density | 61.3 / sq miThis ZIP61.3 / sq mi |
Business and tax activity
| Business establishments | 155This ZIP155 |
|---|---|
| Employees | 4,239This ZIP4,239 |
| Annual payroll | $136,665,000This ZIP$136,665,000 |
| Tax returns filed | 3,230This ZIP3,230 |
| Total adjusted gross income | $172,571,000This ZIP$172,571,000 |
Land area
| Land area | 148.85 sq miThis ZIP148.85 sq mi |
|---|---|
| Water area | 4.92 sq miThis ZIP4.92 sq mi |
Counties 42320 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Ohio County | 92.5% |
| Butler County | 7.5% |
Other place names in 42320
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 42320
| ZIP | City | Distance |
|---|---|---|
42354 | Mc Henry, KY | 4.7 mi |
42369 | Rockport, KY | 6.7 mi |
42333 | Cromwell, KY | 6.8 mi |
42273 | Rochester, KY | 8.9 mi |
42337 | Drakesboro, KY | 10.2 mi |
42326 | Browder, KY | 10.4 mi |
42370 | Rosine, KY | 10.6 mi |
42201 | Aberdeen, KY | 11.6 mi |
42328 | Centertown, KY | 11.9 mi |
42349 | Horse Branch, KY | 12.4 mi |
Find every ZIP code within 10 miles of 42320 →
Questions about this ZIP code
Where is ZIP code 42320?
42320 is in Beaver Dam, Kentucky, in Ohio County. Its published point location is 37.3327, -86.8670.
What county is 42320 in?
42320 spans 2 counties: Ohio County and Butler County. Most of it falls in Ohio County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 42320?
Beaver Dam uses area codes 270 and 364, from NANPA's telephone records.
What time zone is 42320 in?
42320 uses America/Chicago.
How many people live in 42320?
About 9,128 people live in ZIP code 42320, in 3,361 households, at 61.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 42320?
$54,730 a year, against $63,726 across Kentucky.
What ZIP codes are near 42320?
The closest are 42354 (4.7 mi), 42369 (6.7 mi), 42333 (6.8 mi), 42273 (8.9 mi) and 42337 (10.2 mi).
Is 42320 a PO Box ZIP code?
42320 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “42320 ZIP Code — Beaver Dam, Kentucky (Ohio County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42320
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/42320.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.