66605
ZIP 66605 is in Topeka, Kansas, in Shawnee County; area code 785; Central time. Topeka has 31 ZIP codes in all.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Shawnee
- Metro area
- Topeka, KS
- Population
- 20,891
- Coordinates
- 39.0108, -95.6388
Weather right now
Asking the National Weather Service…
Where 66605 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 66605 into a pocket calculator and turn it upside down: SOggg — not quite a word, sorry.
- ➕ As a number, 66,605 = 5 × 7 × 11 × 173. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10000010000101101 - 🏠 Its numerical neighbours: 66604 (Topeka, KS, 5 mi away) and 66606 (Topeka, KS, 6 mi away).
- 🔄 Backwards, 66605 becomes 50666 — and that is a real ZIP code: Plainfield, IA, 312 miles away.
- 👥 10 other ZIP codes are made of exactly the same digits (05666, 50666, 56660, 60566, 60656, 65066, …). The farthest-flung twin is 05666 in North Montpelier, VT, 1,248 miles away.
- 🧭 Farther south than 50% of all ZIP codes, and farther west than 70%.
- 🎯167 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 66605 and you would come out at 39.01°S, 84.36°E — 997 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
- 📏 At 10.0 square miles of land, 66605 is bigger than 27% of ZIP codes — room for about 7.6 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 20,891This ZIP20,891 |
|---|---|
| Households | 8,241This ZIP8,241 |
| Housing units | 8,767This ZIP8,767 |
| Median age | 37.5This ZIP37.5Kansas37.4US 38.9 |
| Median household income | $59,106This ZIP$59,106Kansas$74,275US $80,734 |
| Median home value | $170,500This ZIP$170,500Kansas$217,200US $332,700 |
| Median gross rent | $884This ZIP$884Kansas$1,060US $1,413 |
| Bachelor's degree or higher | 20.1%This ZIP20.1% |
| Mean commute | 19.7 minThis ZIP19.7 min |
| Population density | 2,088.7 / sq miThis ZIP2,088.7 / sq mi |
Business and tax activity
| Business establishments | 188This ZIP188 |
|---|---|
| Employees | 2,239This ZIP2,239 |
| Annual payroll | $64,768,000This ZIP$64,768,000 |
| Tax returns filed | 9,070This ZIP9,070 |
| Total adjusted gross income | $492,536,000This ZIP$492,536,000 |
Land area
| Land area | 10.00 sq miThis ZIP10.00 sq mi |
|---|---|
| Water area | 0.13 sq miThis ZIP0.13 sq mi |
Other place names in 66605
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 66605
| ZIP | City | Distance |
|---|---|---|
66607 | Topeka, KS | 2.1 mi |
66609 | Topeka, KS | 2.5 mi |
66612 | Topeka, KS | 3.0 mi |
66611 | Topeka, KS | 3.1 mi |
66601 | Topeka, KS | 3.3 mi |
66625 | Topeka, KS | 3.3 mi |
66626 | Topeka, KS | 3.3 mi |
66629 | Topeka, KS | 3.3 mi |
66630 | Topeka, KS | 3.3 mi |
66636 | Topeka, KS | 3.3 mi |
Find every ZIP code within 10 miles of 66605 →
Questions about this ZIP code
Where is ZIP code 66605?
66605 is in Topeka, Kansas, in Shawnee County, part of the Topeka, KS metropolitan area. Its published point location is 39.0108, -95.6388.
What county is 66605 in?
66605 lies in Shawnee County.
What area code is 66605?
Topeka uses area code 785, from NANPA's telephone records.
What time zone is 66605 in?
66605 uses America/Chicago.
How many people live in 66605?
About 20,891 people live in ZIP code 66605, in 8,241 households, at 2,088.7 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 66605?
$59,106 a year, against $74,275 across Kansas.
What ZIP codes are near 66605?
The closest are 66607 (2.1 mi), 66609 (2.5 mi), 66612 (3 mi), 66611 (3.1 mi) and 66601 (3.3 mi).
Is 66605 a PO Box ZIP code?
66605 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “66605 ZIP Code — Topeka, Kansas (Shawnee County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/66605
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/66605.json Underlying data is public domain or openly licensed — sources, vintages and licences.