ZIP code 61531
Where is ZIP code 61531?
Farmington, Illinois
Fulton County · Standard ZIP code
ZIP code 61531 belongs to Farmington, Illinois in Fulton County. 61531 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area code 309. About 3,007 people live in the 61531 area, where the median household income is $70,107. The closest ZIP codes are 61553 (Norris, 4 mi south), 61569 (Trivoli, 6.4 mi east) and 61572 (Yates City, 7.2 mi north).
| ZIP code | 61531 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Farmington |
| Also accepted | Middlegrove |
| State | Illinois (IL) |
| County | Fulton County |
| Time zone | Central Time · now |
| Area code | 309 |
| Coordinates | 40.6832, -90.035 map |
| 3-digit prefix | 615 |
Population and income in 61531
| Population | 3,007 · higher than 59% of Illinois ZIP codes |
|---|---|
| People per square mile | 53 · lower than 52% of Illinois ZIP codes |
| Median age | 39.2 years · lower than 70% of Illinois ZIP codes |
| Men / women | 52% / 48% |
| Median household income | $70,107 · lower than 58% of Illinois ZIP codes |
| Income per person | $36,069 |
| Below the poverty line | 8.5% |
| Bachelor’s degree or higher | 32% of adults 25+ |
| Median home value | $127,700 · lower than 62% of Illinois ZIP codes |
| Median rent | $931 a month |
| Housing units | 1,420 |
| Households | 1,221 (2.4 people on average) |
| Owners / renters | 80% / 20% |
| Land area | 56.33 sq mi (plus 0.52 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 61531. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 61531
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 61553 | Norris, IL | 4 mi S | PO Box only |
| 61569 | Trivoli, IL | 6.4 mi E | Standard |
| 61572 | Yates City, IL | 7.2 mi N | Standard |
| 61432 | Fairview, IL | 7.3 mi W | Standard |
| 61529 | Elmwood, IL | 8.3 mi NE | Standard |
| 61520 | Canton, IL | 8.5 mi S | Standard |
| 61458 | Maquon, IL | 11.2 mi NW | Standard |
| 61433 | Fiatt, IL | 11.4 mi SW | PO Box only |
| 61544 | London Mills, IL | 11.9 mi W | Standard |
| 61536 | Hanna City, IL | 12.6 mi E | Standard |
| 61517 | Brimfield, IL | 13.1 mi NE | Standard |
| 61524 | Dunfermline, IL | 13.3 mi S | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 61531 or measure the distance to another ZIP code.
How to address mail to 61531
123 MAIN ST
FARMINGTON IL 61531
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts MIDDLEGROVE as the city name for 61531. Adding the 4-digit ZIP+4 code (61531-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 61531?
- 61531 is a Farmington, Illinois ZIP code. Middlegrove is also accepted as the city name.
- What county is 61531 in?
- ZIP code 61531 is in Fulton County, Illinois.
- What time zone is ZIP code 61531 in?
- 61531 is in the Central Time zone (America/Chicago).
- What area code is 61531?
- Phone numbers in ZIP code 61531 use area code 309.
- What is the population of ZIP code 61531?
- About 3,007 people live in ZIP code 61531, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 61531?
- The median household income in 61531 is $70,107 a year, lower than 58% of Illinois ZIP codes.
- What ZIP codes are near 61531?
- The nearest ZIP codes to 61531 are 61553 (Norris, 4 miles), 61569 (Trivoli, 6.4 miles), 61572 (Yates City, 7.2 miles) and 61432 (Fairview, 7.3 miles).