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Pleasant Hill, IL
Full City Profile · Illinois · Pike County County
2.8
/5.0
C+
Fair
985
Population
1,279/sq mi density
$55,208
Median Income
$19,523 per capita
$76,300
Home Value
$98,748 Zillow
$604
Median Rent
33.9% income on rent
54°F
Avg Temperature
302 sunny days/yr
108
Violent Crime/100K
108 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$55,208 median income, 4.7% unemployment
A+
Affordability
5.0 / 5.0
$76,300 home value, $604/mo rent
F
Safety
1.0 / 5.0
108 violent crimes/100K
C
Education
2.4 / 5.0
17.0% bachelor's degree or higher
Pleasant Hill experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 28°F in January while summers reach 78°F in July. The area gets 302 sunny days per year. Annual precipitation totals 38.5 inches. The area receives 11.6 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
28°F Jan (-2°C)
78°F Jul (26°C)
| Annual Average | 54.4°F |
| 1% above US avg | |
| January Average | 28°F (-2°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 459 ft (140 m) |
| Area | 0.8 sq mi (2.1 km²) |
| Population Density | 1,279/sq mi |
| Coordinates | 39.4432°N, 90.8729°W |
| Timezone | America/Chicago |
| County | Pike County County |
| Nearest Airport | Quincy Regional-Baldwin Field (UIN) 39 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 30.3 / 100 |
| Social Vulnerability | 41.9 / 100 |
| Community Resilience | 54.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 1.5 in | Coldest, Driest |
| February | 32°F (-0°C) | 1.7 in | |
| March | 43°F (6°C) | 3.1 in | |
| April | 54°F (12°C) | 3.7 in | |
| May | 64°F (18°C) | 4.3 in | Wettest |
| June | 73°F (23°C) | 3.6 in | |
| July | 78°F (26°C) | 3.7 in | Warmest |
| August | 75°F (24°C) | 3.3 in | |
| September | 68°F (20°C) | 3.4 in | |
| October | 56°F (13°C) | 2.8 in | |
| November | 43°F (6°C) | 3.1 in | |
| December | 32°F (-0°C) | 2.5 in |
Pleasant Hill has a seasonal temperature swing of 50°F / from 28°F in January to 78°F in July. Total annual precipitation is 36.8 inches, with May being the wettest month (4.3") and January the driest (1.5").