61537
ZIP 61537 is Henry, Illinois, mostly in Marshall County; area code 309; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Marshall +1 more
- Metro area
- Peoria, IL
- Population
- 2,743
- Coordinates
- 41.1192, -89.4714
Weather right now
Asking the National Weather Service…
Where 61537 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 61537 into a pocket calculator and turn it upside down: LESIg — not quite a word, sorry.
- ➕ As a number, 61,537 = 7 × 59 × 149. Its digits add up to 22, a total 2,607 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111000001100001 - 🏠 Its numerical neighbours: 61536 (Hanna City, IL, 34 mi away) and 61539 (Kingston Mines, IL, 42 mi away).
- 🔄 Backwards, 61537 becomes 73516, which is not a ZIP code at all.
- 👥 62 other ZIP codes are made of exactly the same digits (13657, 13675, 13756, 15367, 15376, 15637, …). The farthest-flung twin is 76513 in Belton, TX, 826 miles away.
- 🧭 Farther north than 68% of all ZIP codes, and farther west than 54%.
- 🎯487 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61537 and you would come out at 41.12°S, 90.53°E — 1,135 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 08m of daylight. Shortest: 9h 12m.
- 📏 At 57.1 square miles of land, 61537 is bigger than 63% of ZIP codes — room for about 43 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,743This ZIP2,743 |
|---|---|
| Households | 1,201This ZIP1,201 |
| Housing units | 1,355This ZIP1,355 |
| Median age | 46.2This ZIP46.2Illinois39.0US 38.9 |
| Median household income | $67,404This ZIP$67,404Illinois$83,390US $80,734 |
| Median home value | $118,200This ZIP$118,200Illinois$263,300US $332,700 |
| Median gross rent | $685This ZIP$685Illinois$1,274US $1,413 |
| Bachelor's degree or higher | 21.0%This ZIP21.0% |
| Mean commute | 27.8 minThis ZIP27.8 min |
| Population density | 48.0 / sq miThis ZIP48.0 / sq mi |
Business and tax activity
| Business establishments | 61This ZIP61 |
|---|---|
| Employees | 529This ZIP529 |
| Annual payroll | $28,601,000This ZIP$28,601,000 |
| Tax returns filed | 1,290This ZIP1,290 |
| Total adjusted gross income | $83,045,000This ZIP$83,045,000 |
Land area
| Land area | 57.13 sq miThis ZIP57.13 sq mi |
|---|---|
| Water area | 0.82 sq miThis ZIP0.82 sq mi |
Counties 61537 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Marshall County | 94.7% |
| Bureau County | 5.3% |
Other place names in 61537
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61537
| ZIP | City | Distance |
|---|---|---|
61560 | Putnam, IL | 5.4 mi |
61565 | Sparland, IL | 5.8 mi |
61424 | Camp Grove, IL | 9.0 mi |
61540 | Lacon, IL | 9.1 mi |
61368 | Tiskilwa, IL | 10.2 mi |
61421 | Bradford, IL | 10.3 mi |
61327 | Hennepin, IL | 11.8 mi |
61479 | Speer, IL | 11.9 mi |
61426 | Castleton, IL | 12.2 mi |
61335 | Mc Nabb, IL | 12.7 mi |
Find every ZIP code within 10 miles of 61537 →
Questions about this ZIP code
Where is ZIP code 61537?
61537 is in Henry, Illinois, in Marshall County, part of the Peoria, IL metropolitan area. Its published point location is 41.1192, -89.4714.
What county is 61537 in?
61537 spans 2 counties: Marshall County and Bureau County. Most of it falls in Marshall 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 61537?
Henry uses area code 309, from NANPA's telephone records.
What time zone is 61537 in?
61537 uses America/Chicago.
How many people live in 61537?
About 2,743 people live in ZIP code 61537, in 1,201 households, at 48.0 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 61537?
$67,404 a year, against $83,390 across Illinois.
What ZIP codes are near 61537?
The closest are 61560 (5.4 mi), 61565 (5.8 mi), 61424 (9 mi), 61540 (9.1 mi) and 61368 (10.2 mi).
Is 61537 a PO Box ZIP code?
61537 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61537 ZIP Code — Henry, Illinois (Marshall County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61537
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61537.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.