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Letha, ID
Census-designated place in Gem County, Idaho. ZIP codes: 83636.
Population
109
Land area
0.5sq mi
People per sq mi
241
ZIP codes
1
Letha and its ZIP codes
Letha at a glance
- Letha is about 10 times as dense as Idaho as a whole.
Economy and federal money
Jobs, pay, income and spending are for Gem County. PPP loans are for Letha.
Unemployment rate
3.2%
Aug 2026, -0.2 pts in a year
Average annual pay
$46,323
4,595 jobs, 2025
Income per person
$49,972
BEA, 2024
Federal spending
$153M
FY 2026, $8,007 per person
Environment and hazard risk
Letha, ID, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: wildfire
Storm events since 1996
286
Countywide, mostly heavy snow
Flood insurance policies
29
0.3% of homes, county
July high / Jan low
92° / 23°F
13.3 inches of rain a year
Health statistics
Share of adults in Letha, ID, CDC PLACES estimates
Obesity
33.5%
U.S. 33.3% about the same
Diabetes
12.4%
U.S. 12.1% about the same
Smoking
14.3%
U.S. 12.8% +1.5 pts
Uninsured (18-64)
10.8%
U.S. 11.1% about the same
ZIP codes in Letha
1 in or overlapping Letha. Population shown
Cities near Letha
| Name | Distance | Land area (sq mi) |
|---|---|---|
| EmmettCity | 8.1 mi | 2.9 |
| New PlymouthCity | 10 mi | 0.7 |
| MiddletonCity | 13 mi | 6.6 |
| NotusCity | 14 mi | 0.4 |
| StarCity | 15 mi | 11.5 |
| EagleCity | 15 mi | 45.2 |
| FruitlandCity | 17 mi | 2.7 |
| ParmaCity | 17 mi | 1.1 |
| GreenleafCity | 17 mi | 0.8 |
| CaldwellCity | 18 mi | 25.1 |
| Nyssa, ORCity | 18 mi | 1.5 |
| PayetteCity | 19 mi | 4.1 |
| Ontario, ORCity | 19 mi | 6 |
| WilderCity | 20 mi | 0.8 |
| AvimorCensus-designated place | 21 mi | 0.4 |
| NampaCity | 22 mi | 35.9 |
Frequently asked questions
- What county is Letha, ID in?
- Letha is in Gem County, Idaho.
- What ZIP codes are in Letha, ID?
- ZIP codes in or overlapping Letha include 83636.
- What is the population of Letha, ID?
- About 109 people live in Letha, based on American Community Survey 5-year estimates.
- What cities are near Letha?
- Nearby places include Emmett (8.1 mi), New Plymouth (10 mi), Middleton (13 mi), Notus (14 mi), Star (15 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023