Hampshire, IL
Full City Profile · Illinois · McHenry County County
3.5
/5.0
B+
Good
8,351
Population
834/sq mi density
$107,774
Median Income
$55,677 per capita
$316,200
Home Value
$417,168 Zillow
$2,356
Median Rent
37.6% income on rent
48°F
Avg Temperature
36
Violent Crime/100K
352 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$107,774 median income, 1.8% unemployment
A+
Affordability
5.0 / 5.0
$316,200 home value, $2,356/mo rent
F
Safety
1.0 / 5.0
36 violent crimes/100K
B
Education
3.2 / 5.0
27.3% bachelor's degree or higher
Hampshire experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 21°F in January while summers reach 73°F in July. Annual precipitation totals 38.0 inches. The area receives 38.9 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
21°F Jan (-6°C)
73°F Jul (23°C)
| Annual Average | 48.2°F |
| 11% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 957 ft (292 m) |
| Area | 3.5 sq mi (9.0 km²) |
| Population Density | 834/sq mi |
| Coordinates | 42.1156°N, 88.5052°W |
| Timezone | America/Chicago |
| County | McHenry County County |
| Nearest Airport | Chicago/Rockford International (RFD) 31 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
| Good Days % | 66.9% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0484 ppm |
| PM2.5 (Fine Particles) | 9.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.8 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 84.0 / 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 Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1954 | MICHIGAN CITY, IN (LAKE MICHIGAN) | Avalanche | 3.0 m | 7 | 142 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 1.8 in | Coldest |
| February | 25°F (-4°C) | 1.7 in | Driest |
| March | 35°F (2°C) | 2.5 in | |
| April | 47°F (9°C) | 3.7 in | |
| May | 59°F (15°C) | 4.7 in | |
| June | 69°F (20°C) | 4.8 in | Wettest |
| July | 73°F (23°C) | 3.8 in | Warmest |
| August | 71°F (22°C) | 4.4 in | |
| September | 64°F (18°C) | 3.4 in | |
| October | 51°F (11°C) | 3.0 in | |
| November | 38°F (3°C) | 2.3 in | |
| December | 27°F (-3°C) | 1.9 in |
Hampshire has a seasonal temperature swing of 52°F / from 21°F in January to 73°F in July. Total annual precipitation is 38.0 inches, with June being the wettest month (4.8") and February the driest (1.7").