Flanagan, IL
Full City Profile · Illinois · Livingston County County
4.0
/5.0
A
Great
864
Population
1,490/sq mi density
$75,104
Median Income
$49,299 per capita
$103,900
Home Value
$161,214 Zillow
$839
Median Rent
32.3% income on rent
51°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A
Economy
4.3 / 5.0
$75,104 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$103,900 home value, $839/mo rent
C+
Education
2.6 / 5.0
20.4% bachelor's degree or higher
Flanagan experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 24°F in January while summers reach 75°F in July. Annual precipitation totals 37.6 inches. The area receives 21.7 inches of snow annually.
Temperature
24°F Jan (-4°C)
75°F Jul (24°C)
| Annual Average | 51.2°F |
| 5% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 670 ft (204 m) |
| Area | 0.2 sq mi (0.6 km²) |
| Population Density | 1,490/sq mi |
| Coordinates | 40.8774°N, 88.8588°W |
| Timezone | America/Chicago |
| County | Livingston County County |
| Nearest Airport | Central Il Regional/Bloomington-Normal (BMI) 28 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 71.8 / 100 |
| Social Vulnerability | 30.4 / 100 |
| Community Resilience | 90.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 2.0 in | Coldest |
| February | 28°F (-2°C) | 1.8 in | Driest |
| March | 39°F (4°C) | 2.5 in | |
| April | 51°F (10°C) | 3.7 in | |
| May | 63°F (17°C) | 4.6 in | Wettest |
| June | 72°F (22°C) | 4.0 in | |
| July | 75°F (24°C) | 3.8 in | Warmest |
| August | 73°F (23°C) | 3.5 in | |
| September | 66°F (19°C) | 3.9 in | |
| October | 54°F (12°C) | 3.1 in | |
| November | 41°F (5°C) | 2.6 in | |
| December | 30°F (-1°C) | 2.2 in |
Flanagan has a seasonal temperature swing of 51°F / from 24°F in January to 75°F in July. Total annual precipitation is 37.7 inches, with May being the wettest month (4.6") and February the driest (1.8").