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Where 42445 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 42445 into a pocket calculator and turn it upside down: ShhZh — not quite a word, sorry.
- ➕ As a number, 42,445 = 5 × 13 × 653. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1010010111001101 - 🏠 Its numerical neighbours: 42444 (Poole, KY, 37 mi away) and 42450 (Providence, KY, 19 mi away).
- 🔄 Backwards, 42445 becomes 54424 — and that is a real ZIP code: Deerbrook, WI, 568 miles away.
- 👥 10 other ZIP codes are made of exactly the same digits (24445, 25444, 42544, 44254, 44425, 44452, …). The farthest-flung twin is 54442 in Irma, WI, 576 miles away.
- 🧭 Farther south than 64% of all ZIP codes, and farther west than 50%.
- 🎯609 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 42445 and you would come out at 37.13°S, 92.14°E — 1,381 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 43m of daylight. Shortest: 9h 36m.
- 📏 At 261.4 square miles of land, 42445 is bigger than 94% of ZIP codes — room for about 198 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 10,533This ZIP10,533 |
|---|---|
| Households | 4,310This ZIP4,310 |
| Housing units | 4,912This ZIP4,912 |
| Median age | 44.0This ZIP44.0Kentucky39.1US 38.9 |
| Median household income | $55,096This ZIP$55,096Kentucky$63,726US $80,734 |
| Median home value | $118,100This ZIP$118,100Kentucky$205,600US $332,700 |
| Median gross rent | $768This ZIP$768Kentucky$967US $1,413 |
| Bachelor's degree or higher | 16.3%This ZIP16.3% |
| Mean commute | 23.8 minThis ZIP23.8 min |
| Population density | 40.3 / sq miThis ZIP40.3 / sq mi |
Business and tax activity
| Business establishments | 244This ZIP244 |
|---|---|
| Employees | 3,415This ZIP3,415 |
| Annual payroll | $146,166,000This ZIP$146,166,000 |
| Tax returns filed | 4,590This ZIP4,590 |
| Total adjusted gross income | $255,575,000This ZIP$255,575,000 |
Land area
| Land area | 261.36 sq miThis ZIP261.36 sq mi |
|---|---|
| Water area | 2.17 sq miThis ZIP2.17 sq mi |
Counties 42445 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Caldwell County | 91.1% |
| Lyon County | 4.6% |
| Hopkins County | 4.1% |
| Trigg County | 0.2% |
Other place names in 42445
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 42445
| ZIP | City | Distance |
|---|---|---|
42411 | Fredonia, KY | 9.7 mi |
42408 | Dawson Springs, KY | 9.8 mi |
42038 | Eddyville, KY | 10.9 mi |
42215 | Cerulean, KY | 13.7 mi |
42453 | Saint Charles, KY | 14.9 mi |
42033 | Crayne, KY | 15.8 mi |
42055 | Kuttawa, KY | 17.8 mi |
42037 | Dycusburg, KY | 18.1 mi |
42450 | Providence, KY | 18.6 mi |
42441 | Nebo, KY | 19.8 mi |
Find every ZIP code within 10 miles of 42445 →
Questions about this ZIP code
Where is ZIP code 42445?
42445 is in Princeton, Kentucky, in Caldwell County. Its published point location is 37.1282, -87.8579.
What county is 42445 in?
42445 spans 4 counties: Caldwell County, Lyon County, Hopkins County and Trigg County. Most of it falls in Caldwell 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 42445?
Princeton uses area codes 270 and 364, from NANPA's telephone records.
What time zone is 42445 in?
42445 uses America/Chicago.
How many people live in 42445?
About 10,533 people live in ZIP code 42445, in 4,310 households, at 40.3 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 42445?
$55,096 a year, against $63,726 across Kentucky.
What ZIP codes are near 42445?
The closest are 42411 (9.7 mi), 42408 (9.8 mi), 42038 (10.9 mi), 42215 (13.7 mi) and 42453 (14.9 mi).
Is 42445 a PO Box ZIP code?
42445 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “42445 ZIP Code — Princeton, Kentucky (Caldwell County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42445
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/42445.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.