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Idaho ZIP Codes
Owyhee County
Bruneau, ID
83604
83604 ZIP Code — Bruneau, ID
Owyhee County, Idaho
ZIP code 83604 is located in
Bruneau ,
Idaho ,
within Owyhee County .
It covers approximately 793.78 square miles and serves a population of
495 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 208 .
About ZIP code 83604
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $238,400. Owner-occupancy sits near the national average at 72%.
Median household income is $48,750. 42% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 19 minutes is near the national average.
College attainment at 10% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (20%) compared to national benchmarks.
Overall, ZIP code 83604 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.
83604 ZIP code map
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Cities in ZIP code 83604
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Demographics
updated 06/2026
Population
Total population
495
Population density
1 / sq mi
State FIPS
16
County FIPS
073
Geography
Land area
793.78 sq mi
Water area
10.54 sq mi
Latitude
42.4990
Longitude
-115.5042
Timezone
Mountain (MT)
Area code
208
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
60.1%
52.3%
41.8%
$50k – $100k
24.2%
32.1%
34.0%
$100k – $200k
10.1%
12.1%
19.5%
Over $200k
5.7%
3.5%
4.7%
Demographics & statistics
$48,750
Median household income
$238,400
Median home value
Age distribution
Age summary
Group Count % Under 18 122 24.6% 18 and over 373 75.4% 65 and over 127 25.7% Median age 37.8 years
Race & ethnicity
American Indian / Alaska Native
4.3%
Group Count % White 430 80.1% Hispanic or Latino 42 7.8% Other race 42 7.8% American Indian / Alaska Native 23 4.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
60.1%
52.3%
41.8%
$50k – $100k
24.2%
32.1%
34.0%
$100k – $200k
10.1%
12.1%
19.5%
Over $200k
5.7%
3.5%
4.7%
Range % of households $15k–$25k 1.9% $25k–$35k 24.4% $35k–$50k 25.4% $50k–$75k 16.4% $75k–$100k 10.3% $100k–$150k 18.3% $200k+ 3.3% Median income $48,750
Housing
Housing overview
Metric Value Median home value $238,400 Median rent / month $520 Owner occupied 71.8% Renter occupied 28.2% Vacant 31.7% Single-family detached 64.4% Large apartment buildings 0.0% Mobile homes 35.6% Median rooms 6.0 Avg household size (owned) 2.16
Year built
Era % 2020 or later 0.0% 2010–2019 5.1% 2000–2009 13.8% 1990–1999 13.5% 1980–1989 30.4% 1970–1979 23.4% 1960–1969 4.2% 1950–1959 8.0% 1940–1949 0.0% 1939 or earlier 1.6%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 0.0% 2 bedrooms 30.4% 3 bedrooms 34.6% 4 bedrooms 32.4% 5+ bedrooms 2.6%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 11.7% 2 vehicles 47.9% 3 or more 40.4%
Heating fuel
Fuel type % Utility gas 4.7% Electricity 59.2% Propane / LP gas 12.7% Wood 21.1% Solar 2.3%
Households & families
Household type Count % Married-couple family 146 68.5% Cohabiting couple 8 3.8% Male householder, no spouse 32 15.0% Female householder, no spouse 27 12.7% Households with children under 18 79 37.1% Households with seniors (65+) 90 42.3% Average household size 2.30
Marital status
Status Male Female Never married 21.6% 12.8% Married 69.7% 70.9% Separated 0.0% 0.0% Widowed 0.0% 3.9% Divorced 8.6% 12.3%
Education
Less than 9th grade
14.9%
Some college, no degree
20.7%
Graduate / professional
0.6%
Metric % HS diploma or higher 76.7% Bachelor's or higher 9.8%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 5 5.1% Elementary school 70 70.7% High school 10 10.1% College / grad school 14 14.1%
Employment
Industry of employment
Agriculture & mining
41.1%
Transportation & utilities
16.4%
Education & healthcare
11.4%
Finance & real estate
8.7%
Arts, food & hospitality
7.3%
Public administration
6.4%
Occupation
Category % Management, business & arts 28.3% Service 16.4% Sales & office 21.0% Natural resources & construction 22.4% Production & transportation 11.9%
Employment type
Type % Private sector 78.5% Government 13.7% Self-employed 7.8% Unpaid family workers 0.0%
Commute
Method % Drive alone 56.1% Carpool 7.0% Public transit 1.4% Walk 5.6% Work from home 17.3% Other means 12.6% Avg commute (minutes) 19.4
Poverty
Married-couple families
5.5%
Female-led households
0.0%
Income support
Source % of households Social Security 42.3% Retirement income 15.0% Supplemental Security 0.0% Cash public assistance 0.0% Food stamps / SNAP 0.0%
Health indicators
Condition % Obesity 35.3% High blood pressure 34.0% High cholesterol 31.7% Diabetes 12.0% Heart disease 7.8% Stroke 3.8% Asthma 10.0% Arthritis 25.6% Kidney disease 3.4% Pulmonary disease 8.4% Cancer 6.5%
Behavior / access % Smoking 20.4% Binge drinking 14.0% No physical activity 28.3% Less than 7 hrs sleep 32.7% Depression 19.8% Fair or poor health 18.7% Poor mental health 14.5% Poor physical health 13.3% No health insurance 23.2% Visited doctor (checkup) 67.4% Visited dentist 55.6% Cholesterol screening 84.5% Teeth loss 20.2%
Veterans & disability
Veterans Count % Civilian veterans 15 4.1%
Disability % Any disability 1.4% Under 18 0.0% 18–64 years 0.0% 65 and over 5.5%
Health insurance coverage
Type % Private insurance 65.3% Public insurance 45.2% No insurance 9.9% Uninsured under 19 9.8%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 469 94.7% Spanish 36 7.7% Other Indo-European 36 7.7% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 476 96.2% Born in same state 476 96.2% Born in different state 279 56.4% Foreign born 0 0.0% Naturalized citizen 19 3.8% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Arab 72 14.5% English 48 9.7% French 43 8.7%
Ancestry Count % Polish 31 6.3% Italian 17 3.4% Dutch 12 2.4%
Technology access
Metric % of households Computer access 43.0% Internet access 69.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 83604
What city is ZIP code 83604 in?
ZIP code 83604 is primarily assigned to Bruneau, Idaho.
What county is ZIP code 83604 in?
ZIP code 83604 falls within Owyhee County, Idaho.
Does ZIP code 83604 have an older population?
26% of residents in ZIP code 83604 are 65 or older, above the national average of ~17%.
How educated is the population of ZIP code 83604?
10% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Does ZIP code 83604 have a large retiree population?
42% of households in ZIP code 83604 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 83604?
ZIP code 83604 has an estimated population of 495 residents, with a density of 1 people per square mile.
What timezone is ZIP code 83604 in?
ZIP code 83604 observes the MST timezone.
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