Kirkwood, IL
Full City Profile · Illinois · Warren County County
3.8
/5.0
B+
Good
769
Population
818/sq mi density
$70,385
Median Income
$28,659 per capita
$89,500
Home Value
$112,048 Zillow
$850
Median Rent
31.0% income on rent
50°F
Avg Temperature
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$70,385 median income, 4.6% unemployment
A+
Affordability
5.0 / 5.0
$89,500 home value, $850/mo rent
C
Education
2.4 / 5.0
17.5% bachelor's degree or higher
Kirkwood experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 74°F in July. Annual precipitation totals 39.1 inches. The area receives 25.6 inches of snow annually.
Temperature
22°F Jan (-6°C)
74°F Jul (23°C)
| Annual Average | 50.0°F |
| 7% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 749 ft (228 m) |
| Area | 0.4 sq mi (0.9 km²) |
| Population Density | 818/sq mi |
| Coordinates | 40.8678°N, 90.7483°W |
| Timezone | America/Chicago |
| County | Warren County County |
| Nearest Airport | Southeast Iowa Regional (BRL) 21 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 15.5 / 100 |
| Social Vulnerability | 22.8 / 100 |
| Community Resilience | 90.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 1.7 in | Coldest |
| February | 26°F (-3°C) | 1.6 in | Driest |
| March | 38°F (3°C) | 2.5 in | |
| April | 50°F (10°C) | 3.9 in | |
| May | 62°F (17°C) | 5.5 in | Wettest |
| June | 71°F (22°C) | 5.0 in | |
| July | 74°F (23°C) | 4.1 in | Warmest |
| August | 72°F (22°C) | 3.8 in | |
| September | 65°F (18°C) | 3.9 in | |
| October | 53°F (12°C) | 2.9 in | |
| November | 39°F (4°C) | 2.4 in | |
| December | 28°F (-2°C) | 1.8 in |
Kirkwood has a seasonal temperature swing of 52°F / from 22°F in January to 74°F in July. Total annual precipitation is 39.1 inches, with May being the wettest month (5.5") and February the driest (1.6").