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Where 61605 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 61605 into a pocket calculator and turn it upside down: SOgIg — not quite a word, sorry.
- ➕ As a number, 61,605 = 3 × 3 × 5 × 37 × 37. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111000010100101 - 🏠 Its numerical neighbours: 61604 (Peoria, IL, 2 mi away) and 61606 (Peoria, IL, 2 mi away).
- 🔄 Backwards, 61605 becomes 50616 — and that is a real ZIP code: Charles City, IA, 228 miles away.
- 👥 37 other ZIP codes are made of exactly the same digits (01566, 05661, 06156, 06516, 06615, 10566, …). The farthest-flung twin is 01566 in Sturbridge, MA, 914 miles away.
- 🧭 Farther north than 63% of all ZIP codes, and farther west than 55%.
- 🎯475 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61605 and you would come out at 40.68°S, 90.37°E — 1,147 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 15m.
- 📏 At 4.4 square miles of land, 61605 is bigger than 18% of ZIP codes — room for about 3.3 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 13,424This ZIP13,424 |
|---|---|
| Households | 5,797This ZIP5,797 |
| Housing units | 6,942This ZIP6,942 |
| Median age | 35.0This ZIP35.0Illinois39.0US 38.9 |
| Median household income | $26,392This ZIP$26,392Illinois$83,390US $80,734 |
| Median home value | $47,400This ZIP$47,400Illinois$263,300US $332,700 |
| Median gross rent | $884This ZIP$884Illinois$1,274US $1,413 |
| Bachelor's degree or higher | 4.7%This ZIP4.7% |
| Mean commute | 18.8 minThis ZIP18.8 min |
| Population density | 3,066.2 / sq miThis ZIP3,066.2 / sq mi |
Business and tax activity
| Business establishments | 147This ZIP147 |
|---|---|
| Employees | 2,000This ZIP2,000 |
| Annual payroll | $115,102,000This ZIP$115,102,000 |
| Tax returns filed | 4,830This ZIP4,830 |
| Total adjusted gross income | $143,266,000This ZIP$143,266,000 |
Land area
| Land area | 4.38 sq miThis ZIP4.38 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 61605
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61605
| ZIP | City | Distance |
|---|---|---|
61602 | Peoria, IL | 1.5 mi |
61625 | Peoria, IL | 1.8 mi |
61606 | Peoria, IL | 2.0 mi |
61604 | Peoria, IL | 2.2 mi |
61634 | Peoria, IL | 2.3 mi |
61601 | Peoria, IL | 2.5 mi |
61629 | Peoria, IL | 2.6 mi |
61636 | Peoria, IL | 2.6 mi |
61641 | Peoria, IL | 2.7 mi |
61635 | East Peoria, IL | 2.9 mi |
Find every ZIP code within 10 miles of 61605 →
Questions about this ZIP code
Where is ZIP code 61605?
61605 is in Peoria, Illinois, in Peoria County, part of the Peoria, IL metropolitan area. Its published point location is 40.6765, -89.6331.
What county is 61605 in?
61605 lies in Peoria County.
What area code is 61605?
Peoria uses area codes 309 and 861, from NANPA's telephone records.
What time zone is 61605 in?
61605 uses America/Chicago.
How many people live in 61605?
About 13,424 people live in ZIP code 61605, in 5,797 households, at 3,066.2 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 61605?
$26,392 a year, against $83,390 across Illinois.
What ZIP codes are near 61605?
The closest are 61602 (1.5 mi), 61625 (1.8 mi), 61606 (2 mi), 61604 (2.2 mi) and 61634 (2.3 mi).
Is 61605 a PO Box ZIP code?
61605 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61605 ZIP Code — Peoria, Illinois (Peoria County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61605
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61605.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.