US ZIP Code
61531

Farmington, IL

Fulton County  ·  Illinois

● Active
👥 3,018 Population ↓ 8% since 2019
💰 $64,875 Median HH Income
▼ 15% below avg ↑ 18% since 2019
🎂 39.4 Median Age ↓ 4% since 2019
🏠 $113,100 Median Home Value
▼ 59% below avg ↑ 10% since 2019
🎓 41.0% College Grads
≈ Avg
📊 6.0% Unemployment
▲ 23% above avg
ZIP Code Details
ZIP Code61531
CityFarmington
StateIllinois (IL)
CountyFulton County
Area Code309/861
Elevation726 ft
Latitude40.682505
Longitude-90.036794
TimezoneChicago (DST)
FIPS17057
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.1% (1,511) Female 49.9% (1,507) ♀

Race & Ethnicity

White: 97%Hispanic: 0.9%Black: 0.4%Asian: 0.1%Other: 1.6%Race
White97.0%
Hispanic0.9%
Black0.4%
Asian0.1%
Other1.6%

Age Breakdown

Under 5
8%
5–17
19%
18–24
6%
25–44
27%
45–64
21%
65+
7%

Key Indicators

Median Age39.4 yrs ↓ 4% since 2019
Avg Household Size2.40
Below Poverty6.4% ▼ 36% below avg
College Grads41.0% ≈ Avg
Unemployment6.0% ▲ 23% above avg
No HS Diploma16 (0.8%)
HS Graduate644 (32.3%)
Some College248 (12.5%)
Associates267 (13.4%)
Bachelors238 (12%)
Graduate Degree578 (29%)

Education

No HS: 0.8%HS Grad: 32.3%Some College: 12.5%Associates: 13.4%Bachelors: 12%Graduate: 29%Edu
No HS0.8%
HS Grad32.3%
Some College12.5%
Associates13.4%
Bachelors12.0%
Graduate29.0%
Housing & Income

Housing Tenure

Owner: 80.2%Renter: 19.8%Tenure
Owner80.2%
Renter19.8%

Home Value Distribution

Under $50k
12%
$50k–100k
32%
$100k–150k
20%
$150k–200k
15%
$200k–300k
10%
$300k–500k
11%
Over $500k
1%

Financials

Median HH Income$64,875 ▼ 15% below avg ↑ 18% since 2019
Median Home Value$113,100 ▼ 59% below avg ↑ 10% since 2019
Home/Income Ratio1.7x (nat avg ~3.5x)
Median Rent$877/mo ↑ 18% since 2019
Total Units1,414
Vacant Units192
Avg HH Size2.40

Income Distribution

Under $25k
13%
$25k–50k
19%
$50k–75k
25%
$75k–100k
11%
$100k–150k
18%
$150k–200k
11%
Over $200k
3%
Employment & Commute

How People Get to Work

Drove Alone
91%
Walked
6%
Work From Home
3%

Commute Time

Under 15 min
35%
15–30 min
27%
30–45 min
23%
Over 45 min
15%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
15%
1960s–1970s
12%
1980s–1990s
7%
2000+
63%

Summary

Total Units1,414
Vacant192
Owner Occupied80.2%
Renter Occupied19.8%
Avg HH Size2.40
Frequently Asked Questions
ZIP code 61531 is in Farmington, IL, in Fulton County.
ZIP code 61531 is located in Illinois (IL).
ZIP code 61531 is in Fulton County, IL.
ZIP 61531 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 61531 is 3,018 people (ACS 2023).
The median household income in ZIP code 61531 is $64,875 (ACS 2023).
The median home value in ZIP 61531 is $113,100 (ACS 2023).
About ZIP Code 61531

ZIP code 61531 is located in Farmington, Illinois, within Fulton County. With a population of 3,018, this is a sparsely populated ZIP code with a middle-aged community — the median age is 39.4 years. Economically, 61531 is a solidly middle-class ZIP code: the median household income of $64,875 is near the national average.

Real estate in ZIP code 61531 represents one of the more affordable housing markets in the country. The median home value of $113,100 is well below the national average. Renters can expect to pay around $877 per month in median rent. Homeownership is strong here — 80.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 10% since 2019.

The population of 61531 is primarily White (97.02%). Residents are well-educated — 41.0% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 6.4%. Household income has grown by 18% since 2019.

The unemployment rate in 61531 stands at 6.0%, which is above the national average. As in most parts of the country, driving alone is the dominant commute mode at 87%.

Overall, ZIP code 61531 in Farmington, IL is characterized as solidly middle-class, well-educated, a middle-aged community, and predominantly owner-occupied. With 3,018 residents, a median household income of $64,875, and a median home value of $113,100, it offers a clear picture of life in this part of Illinois.