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Where 61951 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 61951 into a pocket calculator and turn it upside down: ISGIg — not quite a word, sorry.
- ➕ As a number, 61,951 = 41 × 1511. Its digits add up to 22, a total 2,607 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111000111111111 - 🏠 Its numerical neighbours: 61949 (Redmon, IL, 39 mi away) and 61953 (Tuscola, IL, 21 mi away).
- 🔄 Backwards, 61951 becomes 15916, which is not a ZIP code at all.
- 👥 22 other ZIP codes are made of exactly the same digits (11569, 11596, 11695, 11956, 11965, 15619, …). The farthest-flung twin is 96511 in FPO AA, a military post office, 6,699 miles away.
- 🧭 Farther north than 53% of all ZIP codes, and farther west than 52%.
- 🎯531 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61951 and you would come out at 39.60°S, 91.41°E — 1,237 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
- 📏 At 132.1 square miles of land, 61951 is bigger than 84% of ZIP codes — room for about 100 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 7,787This ZIP7,787 |
|---|---|
| Households | 3,078This ZIP3,078 |
| Housing units | 3,271This ZIP3,271 |
| Median age | 40.6This ZIP40.6Illinois39.0US 38.9 |
| Median household income | $71,905This ZIP$71,905Illinois$83,390US $80,734 |
| Median home value | $150,900This ZIP$150,900Illinois$263,300US $332,700 |
| Median gross rent | $825This ZIP$825Illinois$1,274US $1,413 |
| Bachelor's degree or higher | 22.2%This ZIP22.2% |
| Mean commute | 19.3 minThis ZIP19.3 min |
| Population density | 59.0 / sq miThis ZIP59.0 / sq mi |
Business and tax activity
| Business establishments | 201This ZIP201 |
|---|---|
| Employees | 3,540This ZIP3,540 |
| Annual payroll | $183,597,000This ZIP$183,597,000 |
| Tax returns filed | 3,720This ZIP3,720 |
| Total adjusted gross income | $322,628,000This ZIP$322,628,000 |
Land area
| Land area | 132.06 sq miThis ZIP132.06 sq mi |
|---|---|
| Water area | 7.95 sq miThis ZIP7.95 sq mi |
Counties 61951 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Moultrie County | 97.6% |
| Coles County | 2.4% |
Other place names in 61951
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61951
| ZIP | City | Distance |
|---|---|---|
61914 | Bethany, IL | 9.5 mi |
61911 | Arthur, IL | 9.7 mi |
61937 | Lovington, IL | 10.2 mi |
61957 | Windsor, IL | 10.7 mi |
61928 | Gays, IL | 10.8 mi |
61931 | Humboldt, IL | 11.9 mi |
62534 | Findlay, IL | 12.1 mi |
61938 | Mattoon, IL | 14.0 mi |
61925 | Dalton City, IL | 15.8 mi |
61929 | Hammond, IL | 15.9 mi |
Find every ZIP code within 10 miles of 61951 →
Questions about this ZIP code
Where is ZIP code 61951?
61951 is in Sullivan, Illinois, in Moultrie County. Its published point location is 39.5958, -88.5904.
What county is 61951 in?
61951 spans 2 counties: Moultrie County and Coles County. Most of it falls in Moultrie 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 61951?
Sullivan uses area codes 217 and 447, from NANPA's telephone records.
What time zone is 61951 in?
61951 uses America/Chicago.
How many people live in 61951?
About 7,787 people live in ZIP code 61951, in 3,078 households, at 59.0 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 61951?
$71,905 a year, against $83,390 across Illinois.
What ZIP codes are near 61951?
The closest are 61914 (9.5 mi), 61911 (9.7 mi), 61937 (10.2 mi), 61957 (10.7 mi) and 61928 (10.8 mi).
Is 61951 a PO Box ZIP code?
61951 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61951 ZIP Code — Sullivan, Illinois (Moultrie County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61951
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61951.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.