66066
ZIP 66066 is Oskaloosa, Kansas, in Jefferson County; area code 785; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Jefferson
- Metro area
- Topeka, KS
- Population
- 2,432
- Coordinates
- 39.2030, -95.3306
Weather right now
Asking the National Weather Service…
Where 66066 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 66066 into a pocket calculator and turn it upside down: ggOgg — not quite a word, sorry.
- ⇆66066 reads the same backwards. It is one of only 412 palindromic ZIP codes.
- ➕ As a number, 66,066 = 2 × 3 × 7 × 11 × 11 × 13. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10000001000010010 - 🏠 Its numerical neighbours: 66064 (Osawatomie, KS, 53 mi away) and 66067 (Ottawa, KS, 40 mi away).
- 👥 2 other ZIP codes are made of exactly the same digits (60666, 66606). The farthest-flung twin is 60666 in Chicago, IL, 443 miles away.
- 🧭 Farther north than 50% of all ZIP codes, and farther west than 69%.
- 🎯178 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 66066 and you would come out at 39.20°S, 84.67°E — 998 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
- 📏 At 77.2 square miles of land, 66066 is bigger than 71% of ZIP codes — room for about 59 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,432This ZIP2,432 |
|---|---|
| Households | 1,049This ZIP1,049 |
| Housing units | 1,073This ZIP1,073 |
| Median age | 37.4This ZIP37.4Kansas37.4US 38.9 |
| Median household income | $79,990This ZIP$79,990Kansas$74,275US $80,734 |
| Median home value | $225,700This ZIP$225,700Kansas$217,200US $332,700 |
| Median gross rent | $849This ZIP$849Kansas$1,060US $1,413 |
| Bachelor's degree or higher | 22.9%This ZIP22.9% |
| Mean commute | 28.9 minThis ZIP28.9 min |
| Population density | 31.5 / sq miThis ZIP31.5 / sq mi |
Business and tax activity
| Business establishments | 63This ZIP63 |
|---|---|
| Employees | 432This ZIP432 |
| Annual payroll | $16,995,000This ZIP$16,995,000 |
| Tax returns filed | 1,230This ZIP1,230 |
| Total adjusted gross income | $87,592,000This ZIP$87,592,000 |
Land area
| Land area | 77.22 sq miThis ZIP77.22 sq mi |
|---|---|
| Water area | 1.66 sq miThis ZIP1.66 sq mi |
Other place names in 66066
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 66066
| ZIP | City | Distance |
|---|---|---|
66070 | Ozawkie, KS | 6.6 mi |
66054 | Mc Louth, KS | 7.1 mi |
66073 | Perry, KS | 8.1 mi |
66097 | Winchester, KS | 9.8 mi |
66512 | Meriden, KS | 11.3 mi |
66088 | Valley Falls, KS | 11.7 mi |
66429 | Grantville, KS | 13.3 mi |
66050 | Lecompton, KS | 13.4 mi |
66044 | Lawrence, KS | 13.4 mi |
66086 | Tonganoxie, KS | 14.7 mi |
Find every ZIP code within 10 miles of 66066 →
Questions about this ZIP code
Where is ZIP code 66066?
66066 is in Oskaloosa, Kansas, in Jefferson County, part of the Topeka, KS metropolitan area. Its published point location is 39.2030, -95.3306.
What county is 66066 in?
66066 lies in Jefferson County.
What area code is 66066?
Oskaloosa uses area code 785, from NANPA's telephone records.
What time zone is 66066 in?
66066 uses America/Chicago.
How many people live in 66066?
About 2,432 people live in ZIP code 66066, in 1,049 households, at 31.5 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 66066?
$79,990 a year, against $74,275 across Kansas.
What ZIP codes are near 66066?
The closest are 66070 (6.6 mi), 66054 (7.1 mi), 66073 (8.1 mi), 66097 (9.8 mi) and 66512 (11.3 mi).
Is 66066 a PO Box ZIP code?
66066 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “66066 ZIP Code — Oskaloosa, Kansas (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/66066
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/66066.json Underlying data is public domain or openly licensed — sources, vintages and licences.