Long Grove, IA
Full City Profile · Iowa · Scott County County
4.8
/5.0
A+
Excellent
707
Population
615/sq mi density
$124,297
Median Income
$54,682 per capita
$295,900
Home Value
$421,378 Zillow
$1,479
Median Rent
29.2% income on rent
50°F
Avg Temperature
A+
Overall
4.8 / 5.0
Strong
A+
Economy
5.0 / 5.0
$124,297 median income, 0.6% unemployment
A+
Affordability
5.0 / 5.0
$295,900 home value, $1,479/mo rent
A
Education
4.3 / 5.0
41.7% bachelor's degree or higher
Long Grove experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 74°F in July. Annual precipitation totals 36.2 inches. The area receives 28.7 inches of snow annually. Air quality is rated Good with a median AQI of 46.
Temperature
22°F Jan (-6°C)
74°F Jul (23°C)
| Annual Average | 49.9°F |
| 8% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 798 ft (243 m) |
| Area | 1.2 sq mi (3.0 km²) |
| Population Density | 615/sq mi |
| Coordinates | 41.6922°N, 90.5803°W |
| Timezone | America/Chicago |
| County | Scott County County |
| Nearest Airport | Quad Cities International (MLI) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 46.0 |
| Rating | Good |
| Good Days % | 61.2% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0442 ppm |
| SO₂ (Sulfur Dioxide) | 0.32 ppb |
| CO (Carbon Monoxide) | 0.21 ppm |
| PM2.5 (Fine Particles) | 10.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.9 / 100 |
| Social Vulnerability | 19.2 / 100 |
| Community Resilience | 95.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| 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) | 1.1 in | Coldest, Driest |
| February | 26°F (-3°C) | 1.4 in | |
| March | 39°F (4°C) | 2.3 in | |
| April | 50°F (10°C) | 3.6 in | |
| May | 62°F (17°C) | 4.8 in | Wettest |
| June | 71°F (22°C) | 4.7 in | |
| July | 74°F (23°C) | 4.1 in | Warmest |
| August | 72°F (22°C) | 4.0 in | |
| September | 65°F (18°C) | 3.5 in | |
| October | 53°F (11°C) | 2.7 in | |
| November | 39°F (4°C) | 2.3 in | |
| December | 28°F (-2°C) | 1.6 in |
Long Grove has a seasonal temperature swing of 52°F / from 22°F in January to 74°F in July. Total annual precipitation is 36.2 inches, with May being the wettest month (4.8") and January the driest (1.1").