83636 ZIP Code — Letha, ID

Gem County, Idaho

ZIP code 83636 is located in Letha, Idaho, within Gem County. It covers approximately 2.49 square miles and serves a population of 572 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 208/986.

About ZIP code 83636

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $424,200. Owner-occupancy sits near the national average at 48%.

The dominant occupation class is production, transportation, and material moving, with professional and management as the leading industry. The average commute of 29 minutes is near the national average.

College attainment at 3% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks. 27% of residents lack health insurance, above the national average.

Notable community characteristics include disability rates above the national average at 27%.

Overall, ZIP code 83636 reflects a community defined by a trades-oriented workforce, a significant Social Security-dependent population, and elevated reliance on food assistance.

572

population

2.49

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

83636 ZIP code map

Cities in ZIP code 83636

Below are the cities the US Postal Service accepts for ZIP code 83636. Using any city not on this list may result in mail delivery delays.

City	Status
Letha	Acceptable

Demographics updated 05/2026

Population
Total population	572
Population density	230 / sq mi
State FIPS	16
County FIPS	045

Geography
Land area	2.49 sq mi
Water area	0.10 sq mi
Latitude	43.8353
Longitude	-116.5588
Timezone	Mountain (MT)
Area code	208/986

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	0.0%	47.4%	41.8%
$50k – $100k	0.0%	34.3%	34.0%
$100k – $200k	50.0%	14.4%	19.5%
Over $200k	50.0%	3.9%	4.7%

Demographics & statistics

572

Population

230

People per sq mi

41.9

Median age

Median household income

$36,234

Per capita income

$424,200

Median home value

Median monthly rent

47.5%

Home ownership

1.2%

Poverty rate

0.0%

Unemployment

Housing units

3.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	93	16.3%
18 and over	479	83.7%
65 and over	88	15.4%
Median age	41.9 years

Race & ethnicity

White 89.9%

Two or more races 9.6%

Asian 0.5%

Group	Count	%
White	514	89.9%
Two or more races	55	9.6%
Asian	3	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	0.0%	47.4%	41.8%
$50k – $100k	0.0%	34.3%	34.0%
$100k – $200k	50.0%	14.4%	19.5%
Over $200k	50.0%	3.9%	4.7%

$50k–$75k 17.2%

$75k–$100k 37.4%

$100k–$150k 4.0%

$150k–$200k 29.3%

$200k+ 12.1%

Range	% of households
$50k–$75k	17.2%
$75k–$100k	37.4%
$100k–$150k	4.0%
$150k–$200k	29.3%
$200k+	12.1%
Median income	$0

Housing

Home values

$150k–$200k 8.5%

$200k–$300k 25.5%

$300k–$500k 66.0%

Housing overview

Metric	Value
Median home value	$424,200
Median rent / month	$0
Owner occupied	47.5%
Renter occupied	52.5%
Vacant	0.0%
Single-family detached	76.8%
Large apartment buildings	0.0%
Mobile homes	23.2%
Median rooms	6.4
Avg household size (owned)	3.04

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	12.1%
1990–1999	6.1%
1980–1989	17.2%
1970–1979	31.3%
1960–1969	33.3%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	23.2%
3 bedrooms	35.4%
4 bedrooms	41.4%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	0.0%
2 vehicles	48.5%
3 or more	51.5%

Heating fuel

Fuel type	%
Electricity	52.5%
Wood	16.2%

Households & families

Household type	Count	%
Married-couple family	93	93.9%
Cohabiting couple	0	0.0%
Male householder, no spouse	6	6.1%
Female householder, no spouse	0	0.0%
Households with children under 18	45	45.5%
Households with seniors (65+)	54	54.5%
Average household size	5.78

Marital status

Status	Male	Female
Never married	60.9%	4.9%
Married	36.3%	43.6%
Separated	0.0%	22.3%
Widowed	2.8%	26.5%
Divorced	0.0%	2.7%

Education

Less than 9th grade 0.0%

Some HS, no diploma 30.9%

HS graduate 20.5%

Some college, no degree 44.4%

Associate's degree 0.8%

Bachelor's degree 3.4%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	69.1%
Bachelor's or higher	3.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	36	76.6%
High school	11	23.4%
College / grad school	0	0.0%

Employment

Industry of employment

Professional & management 30.1%

Manufacturing 28.2%

Education & healthcare 19.2%

Transportation & utilities 11.8%

Retail trade 3.9%

Construction 3.5%

Agriculture & mining 2.1%

Other services 1.2%

Occupation

Category	%
Management, business & arts	14.4%
Service	22.0%
Sales & office	20.1%
Natural resources & construction	3.5%
Production & transportation	40.0%

Employment type

Type	%
Private sector	69.7%
Government	2.8%
Self-employed	27.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	54.2%
Carpool	32.2%
Public transit	0.0%
Walk	0.0%
Work from home	13.7%
Other means	0.0%
Avg commute (minutes)	28.5

Poverty

All people 1.2%

Under 18 years 0.0%

18 and over 1.5%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	83.8%
Retirement income	31.3%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	35.4%

Health indicators

Condition	%
Obesity	35.6%
High blood pressure	35.5%
High cholesterol	32.2%
Diabetes	12.1%
Heart disease	7.8%
Stroke	3.9%
Asthma	10.4%
Arthritis	26.6%
Kidney disease	3.4%
Pulmonary disease	8.9%
Cancer	6.7%

Behavior / access	%
Smoking	22.4%
Binge drinking	14.0%
No physical activity	26.9%
Less than 7 hrs sleep	31.6%
Depression	20.3%
Fair or poor health	18.2%
Poor mental health	14.8%
Poor physical health	13.8%
No health insurance	18.2%
Visited doctor (checkup)	69.2%
Visited dentist	54.7%
Cholesterol screening	85.6%
Teeth loss	21.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	34	7.1%

Disability	%
Any disability	26.7%
Under 18	0.0%
18–64 years	30.4%
65 and over	38.6%

Health insurance coverage

Type	%
Private insurance	50.2%
Public insurance	32.7%
No insurance	27.3%
Uninsured under 19	17.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	526	92.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	572	100.0%
Born in same state	572	100.0%
Born in different state	155	27.1%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	177	30.9%
Arab	24	4.2%

Ancestry	Count	%
French	4	0.7%

Technology access

Metric	% of households
Computer access	17.3%
Internet access	93.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 83636

What city is ZIP code 83636 in?

ZIP code 83636 is primarily assigned to Letha, Idaho.

What county is ZIP code 83636 in?

ZIP code 83636 falls within Gem County, Idaho.

Does ZIP code 83636 have a large retiree population?

84% of households in ZIP code 83636 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 83636?

3% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the typical home value in ZIP code 83636?

The median home value in ZIP code 83636 is $424,200.

What is the population of ZIP code 83636?

ZIP code 83636 has an estimated population of 572 residents, with a density of 230 people per square mile.

What timezone is ZIP code 83636 in?

ZIP code 83636 observes the MST timezone.