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Mackinaw, IL
Full City Profile · Illinois · Tazewell County County
3.3
/5.0
B
Good
1,869
Population
1,558/sq mi density
$71,875
Median Income
$36,672 per capita
$159,200
Home Value
$245,762 Zillow
$874
Median Rent
23.6% income on rent
52°F
Avg Temperature
275 sunny days/yr
158
Violent Crime/100K
2,262 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$71,875 median income, 2.2% unemployment
A+
Affordability
5.0 / 5.0
$159,200 home value, $874/mo rent
F
Safety
1.0 / 5.0
158 violent crimes/100K
C+
Education
2.8 / 5.0
22.4% bachelor's degree or higher
Mackinaw experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 25°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 37.5 inches. The area receives 22.3 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
25°F Jan (-4°C)
75°F Jul (24°C)
| Annual Average | 52.1°F |
| 4% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 661 ft (201 m) |
| Area | 0.5 sq mi (1.4 km²) |
| Population Density | 1,558/sq mi |
| Coordinates | 40.5339°N, 89.3555°W |
| Timezone | America/Chicago |
| County | Tazewell County County |
| Nearest Airport | General Downing - Peoria International (PIA) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.2 / 100 |
| Social Vulnerability | 23.2 / 100 |
| Community Resilience | 94.5 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 1.7 in | Coldest |
| February | 28°F (-2°C) | 1.6 in | Driest |
| March | 39°F (4°C) | 3.0 in | |
| April | 51°F (11°C) | 3.8 in | |
| May | 62°F (17°C) | 4.2 in | Wettest |
| June | 71°F (22°C) | 4.1 in | |
| July | 75°F (24°C) | 3.9 in | Warmest |
| August | 73°F (23°C) | 3.4 in | |
| September | 66°F (19°C) | 3.8 in | |
| October | 54°F (12°C) | 2.8 in | |
| November | 40°F (5°C) | 2.9 in | |
| December | 28°F (-2°C) | 2.7 in |
Mackinaw has a seasonal temperature swing of 50°F / from 25°F in January to 75°F in July. Total annual precipitation is 37.8 inches, with May being the wettest month (4.2") and February the driest (1.6").