Washington, IL
Full City Profile · Illinois · Woodford County County
3.8
/5.0
B+
Good
15,946
Population
1,865/sq mi density
$91,360
Median Income
$42,060 per capita
$216,700
Home Value
$235,983 Zillow
$1,087
Median Rent
32.1% income on rent
53°F
Avg Temperature
95
Violent Crime/100K
1,129 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$91,360 median income, 1.2% unemployment
A+
Affordability
5.0 / 5.0
$216,700 home value, $1,087/mo rent
F
Safety
1.0 / 5.0
95 violent crimes/100K
A+
Education
4.5 / 5.0
43.8% bachelor's degree or higher
Washington experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 26°F in January while summers reach 76°F in July. Annual precipitation totals 39.3 inches. The area receives 23.9 inches of snow annually.
Temperature
26°F Jan (-4°C)
76°F Jul (25°C)
| Annual Average | 52.7°F |
| 2% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 76°F (25°C) |
Geography
| Elevation | 755 ft (230 m) |
| Area | 8.6 sq mi (22.1 km²) |
| Population Density | 1,865/sq mi |
| Coordinates | 40.7064°N, 89.4335°W |
| Timezone | America/Chicago |
| County | Woodford County County |
| Nearest Airport | General Downing - Peoria International (PIA) 14 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 39.9 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 96.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| 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 | 26°F (-4°C) | 2.2 in | Coldest |
| February | 30°F (-1°C) | 2.0 in | Driest |
| March | 41°F (5°C) | 2.8 in | |
| April | 53°F (12°C) | 4.0 in | |
| May | 64°F (18°C) | 5.0 in | Wettest |
| June | 73°F (23°C) | 4.0 in | |
| July | 76°F (25°C) | 4.1 in | Warmest |
| August | 75°F (24°C) | 3.5 in | |
| September | 67°F (20°C) | 3.3 in | |
| October | 55°F (13°C) | 3.2 in | |
| November | 42°F (6°C) | 2.9 in | |
| December | 31°F (-1°C) | 2.3 in |
Washington has a seasonal temperature swing of 51°F / from 26°F in January to 76°F in July. Total annual precipitation is 39.3 inches, with May being the wettest month (5.0") and February the driest (2.0").