Lewisville, ID
Full City Profile · Idaho · Jefferson County County
3.4
/5.0
B
Good
489
Population
741/sq mi density
$70,417
Median Income
$25,561 per capita
$228,800
Home Value
$392,767 Zillow
$800
Median Rent
15.0% income on rent
46°F
Avg Temperature
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$70,417 median income, 13.3% unemployment
A+
Affordability
4.9 / 5.0
$228,800 home value, $800/mo rent
C
Education
2.1 / 5.0
14.2% bachelor's degree or higher
Lewisville experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 23°F in January while summers reach 70°F in July. Annual precipitation totals 13.5 inches. The area receives 20.4 inches of snow annually.
Temperature
23°F Jan (-5°C)
70°F Jul (21°C)
| Annual Average | 45.9°F |
| 15% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 70°F (21°C) |
Geography
| Elevation | 4,798 ft (1,462 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 741/sq mi |
| Coordinates | 43.6957°N, 112.0139°W |
| Timezone | America/Boise |
| County | Jefferson County County |
| Nearest Airport | Idaho Falls Regional (IDA) 13 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 40.1 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 39.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Hell's Half Acre (41 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hell's Half Acre | Shield | 1,631 m (5,351 ft) | -3250 | 41 km |
| Craters of the Moon | Pyroclastic cone(s) | 2,005 m (6,578 ft) | -130 | 124 km |
| Wapi Lava Field | Shield | 1,604 m (5,262 ft) | -300 | 133 km |
| Yellowstone | Caldera(s) | 2,805 m (9,203 ft) | -1350 | 135 km |
| Black Butte Crater Lava Field | Shield | 1,478 m (4,849 ft) | -8400 | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.3 in | Coldest |
| February | 27°F (-3°C) | 0.8 in | |
| March | 38°F (3°C) | 1.1 in | |
| April | 45°F (7°C) | 1.4 in | |
| May | 54°F (12°C) | 1.8 in | Wettest |
| June | 62°F (16°C) | 1.3 in | |
| July | 70°F (21°C) | 0.6 in | Warmest, Driest |
| August | 69°F (21°C) | 0.8 in | |
| September | 61°F (16°C) | 1.1 in | |
| October | 47°F (8°C) | 1.2 in | |
| November | 34°F (1°C) | 0.8 in | |
| December | 23°F (-5°C) | 1.3 in |
Lewisville has a seasonal temperature swing of 47°F / from 23°F in January to 70°F in July. Total annual precipitation is 13.5 inches, with May being the wettest month (1.8") and July the driest (0.6").