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Old Agency, MT
Full City Profile · Montana · Lake County County
2.6
/5.0
C+
Fair
114
Population
200/sq mi density
$33,750
Median Income
$6,112 per capita
$275
Median Rent
22.5% income on rent
48°F
Avg Temperature
273 sunny days/yr
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Economy
1.3 / 5.0
$33,750 median income, 10.1% unemployment
A+
Affordability
5.0 / 5.0
C+
Safety
2.5 / 5.0
0 violent crimes/100K
D
Education
1.5 / 5.0
6.3% bachelor's degree or higher
Old Agency experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 30°F in January while summers reach 69°F in July. The area gets 273 sunny days per year. Annual precipitation totals 16.7 inches. Air quality is rated Good with a median AQI of 26.
Temperature
30°F Jan (-1°C)
69°F Jul (21°C)
| Annual Average | 47.7°F |
| 12% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 273 days/yr |
Geography
| Elevation | 2,519 ft (768 m) |
| Area | 0.7 sq mi (1.7 km²) |
| Population Density | 200/sq mi |
| Coordinates | 47.3252°N, 114.2975°W |
| Timezone | America/Denver |
| County | Lake County County |
| Nearest Airport | Missoula Montana (MSO) 30 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 67.7 / 100 |
| Social Vulnerability | 58.8 / 100 |
| Community Resilience | 51.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.5 in | |
| February | 29°F (-2°C) | 1.0 in | Driest |
| March | 36°F (2°C) | 1.1 in | |
| April | 43°F (6°C) | 1.3 in | |
| May | 51°F (10°C) | 2.2 in | Wettest |
| June | 58°F (15°C) | 2.1 in | |
| July | 69°F (21°C) | 1.2 in | Warmest |
| August | 65°F (18°C) | 1.3 in | |
| September | 55°F (13°C) | 1.3 in | |
| October | 45°F (7°C) | 1.1 in | |
| November | 33°F (0°C) | 1.3 in | |
| December | 25°F (-4°C) | 1.5 in | Coldest |
Old Agency has a seasonal temperature swing of 44°F / from 25°F in December to 69°F in July. Total annual precipitation is 16.9 inches, with May being the wettest month (2.2") and February the driest (1.0").