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Galesburg, IL
Full City Profile · Illinois · Knox County County
3.0
/5.0
B
Good
29,653
Population
1,668/sq mi density
$45,213
Median Income
$25,294 per capita
$89,800
Home Value
$98,209 Zillow
$719
Median Rent
33.3% income on rent
50°F
Avg Temperature
275 sunny days/yr
457
Violent Crime/100K
4,133 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$45,213 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$89,800 home value, $719/mo rent
F
Safety
1.0 / 5.0
457 violent crimes/100K (20% above avg)
C+
Education
2.5 / 5.0
19.3% bachelor's degree or higher
Galesburg experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 39.0 inches. The area receives 25.9 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
22°F Jan (-6°C)
75°F Jul (24°C)
| Annual Average | 50.2°F |
| 7% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 769 ft (234 m) |
| Area | 17.9 sq mi (46.4 km²) |
| Population Density | 1,668/sq mi |
| Coordinates | 40.9502°N, 90.3766°W |
| Timezone | America/Chicago |
| County | Knox County County |
| Nearest Airport | Quad Cities International (MLI) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 57.2 / 100 |
| Social Vulnerability | 49.8 / 100 |
| Community Resilience | 66.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 1.5 in | Coldest |
| February | 27°F (-3°C) | 1.4 in | Driest |
| March | 39°F (4°C) | 2.8 in | |
| April | 51°F (11°C) | 3.8 in | |
| May | 62°F (17°C) | 4.0 in | |
| June | 71°F (22°C) | 4.2 in | |
| July | 75°F (24°C) | 4.4 in | Warmest, Wettest |
| August | 73°F (23°C) | 3.9 in | |
| September | 65°F (18°C) | 3.8 in | |
| October | 53°F (12°C) | 2.9 in | |
| November | 39°F (4°C) | 2.6 in | |
| December | 27°F (-3°C) | 2.2 in |
Galesburg has a seasonal temperature swing of 53°F / from 22°F in January to 75°F in July. Total annual precipitation is 37.5 inches, with July being the wettest month (4.4") and February the driest (1.4").