Custer County, ID ZIP Codes
Idaho (ID) · 5 ZIP codes · 5 cities
5
ZIP codes
4,428
population (2021)
+1.4%
pop change since 2010
16037
FIPS code
Custer County ZIP code map
About Custer County
Custer County is located in Idaho and contains 5 ZIP codes across 5 cities and communities.
The county's population was 4,428 as of 2021,
an increase of
1.4% from 4,368 in 2010.
The timezone is Pacific Time (observes DST).
The Federal Information Processing System (FIPS) code for Custer County is 16037.
| Population | |
|---|---|
| 2021 population | 4,428 |
| 2010 population | 4,368 |
| Change | +1.4% |
| County details | |
|---|---|
| State | Idaho |
| FIPS code | 16037 |
| Timezone | Pacific |
| Daylight saving | Yes |
Cities in Custer County
ZIP codes for Custer County, ID (5)
| ZIP code | City | County | Map |
|---|---|---|---|
| 83226 | Challis | Custer | View map |
| 83227 | Clayton | Custer | View map |
| 83235 | Ellis | Custer | View map |
| 83251 | Mackay | Custer | View map |
| 83278 | Stanley | Custer | View map |
Demographics & statistics
4,148
Population
55.3
Median age
$57,762
Median household income
$28,621
Per capita income
$246,540
Median home value
$328
Median monthly rent
90.9%
Home ownership
11.6%
Poverty rate
1.2%
Unemployment
2,668
Housing units
50.9%
Bachelor's or higher
Age distribution
Male
Female
76
Under 5
63
94
5–9
77
98
10–14
80
72
15–19
60
101
20–24
84
111
25–34
92
225
35–44
186
310
45–54
256
144
55–59
119
253
60–64
209
541
65–74
446
222
75–84
184
25
85+
20
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 577 | 8.3% |
| 18 and over | 3,571 | 91.7% |
| 65 and over | 1,438 | 34.0% |
| Median age | 55.3 years | |
Race & ethnicity
White
87.9%
Two or more races
7.6%
Hispanic or Latino
2.4%
Other race
1%
American Indian / Alaska Native
0.8%
Black or African American
0.1%
| Group | Count | % |
|---|---|---|
| White | 3,737 | 87.9% |
| Two or more races | 325 | 7.6% |
| Hispanic or Latino | 102 | 2.4% |
| Other race | 44 | 1% |
| American Indian / Alaska Native | 35 | 0.8% |
| Black or African American | 6 | 0.1% |
Household income
Under $10k
1.7%
$10k–$15k
4.7%
$15k–$25k
7.1%
$25k–$35k
8.5%
$35k–$50k
10.6%
$50k–$75k
34.5%
$75k–$100k
20.1%
$100k–$150k
8.8%
$150k–$200k
3.1%
$200k+
0.9%
| Range | % of households |
|---|---|
| Under $10k | 1.7% |
| $10k–$15k | 4.7% |
| $15k–$25k | 7.1% |
| $25k–$35k | 8.5% |
| $35k–$50k | 10.6% |
| $50k–$75k | 34.5% |
| $75k–$100k | 20.1% |
| $100k–$150k | 8.8% |
| $150k–$200k | 3.1% |
| $200k+ | 0.9% |
| Median income | $57,762 |
Housing
Home values
Under $50k
7.4%
$50k–$100k
16.8%
$100k–$150k
5.0%
$150k–$200k
10.5%
$200k–$300k
14.4%
$300k–$500k
24.6%
$500k–$1M
18.3%
$1M+
3.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $246,540 |
| Median rent / month | $328 |
| Owner occupied | 90.9% |
| Renter occupied | 9.1% |
| Vacant | 51.8% |
| Single-family detached | 67.8% |
| Large apartment buildings | 0.2% |
| Mobile homes | 22.8% |
| Median rooms | 4.8 |
| Avg household size (owned) | 2.38 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 1.2% |
| 2000–2009 | 7.5% |
| 1990–1999 | 24.7% |
| 1980–1989 | 27.7% |
| 1970–1979 | 25.6% |
| 1960–1969 | 4.2% |
| 1950–1959 | 3.9% |
| 1940–1949 | 0.6% |
| 1939 or earlier | 4.6% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 13.9% |
| 1 bedroom | 7.8% |
| 2 bedrooms | 23.9% |
| 3 bedrooms | 33.8% |
| 4 bedrooms | 16.3% |
| 5+ bedrooms | 4.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 1.6% |
| 1 vehicle | 5.1% |
| 2 vehicles | 43.1% |
| 3 or more | 50.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 0.7% |
| Electricity | 59.6% |
| Propane / LP gas | 2.8% |
| Fuel oil | 0.3% |
| Wood | 36.1% |
| No fuel used | 0.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,058 | 63.5% |
| Cohabiting couple | 74 | 15.2% |
| Male householder, no spouse | 303 | 7.8% |
| Female householder, no spouse | 300 | 13.6% |
| Households with children under 18 | 225 | 16.7% |
| Households with seniors (65+) | 905 | 50.9% |
| Average household size | 2.36 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 31.3% | 23.3% |
| Married | 55.6% | 60.3% |
| Separated | 0.0% | 1.4% |
| Widowed | 0.4% | 5.6% |
| Divorced | 12.8% | 9.3% |
Education
Less than 9th grade
0.8%
Some HS, no diploma
4.9%
HS graduate
20.8%
Some college, no degree
11.4%
Associate's degree
11.2%
Bachelor's degree
47.7%
Graduate / professional
3.1%
| Metric | % |
|---|---|
| HS diploma or higher | 94.3% |
| Bachelor's or higher | 50.9% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 58 | 6.6% |
| Kindergarten | 20 | 1.2% |
| Elementary school | 287 | 30.1% |
| High school | 81 | 25.4% |
| College / grad school | 79 | 16.7% |
Employment
Industry of employment
Arts, food & hospitality
37.2%
Education & healthcare
22.8%
Agriculture & mining
12.0%
Construction
7.4%
Transportation & utilities
3.7%
Professional & management
3.5%
Retail trade
3.4%
Finance & real estate
3.0%
Public administration
2.4%
Manufacturing
2.3%
Other services
0.9%
Wholesale trade
0.8%
Information
0.7%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 34.5% |
| Service | 41.6% |
| Sales & office | 10.9% |
| Natural resources & construction | 10.4% |
| Production & transportation | 2.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 39.2% |
| Government | 52.6% |
| Self-employed | 8.2% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 59.0% |
| Carpool | 5.8% |
| Public transit | 1.2% |
| Walk | 6.9% |
| Other means | 2.0% |
| Avg commute (minutes) | 6.9 |
Poverty
All people
11.6%
Under 18 years
6.0%
18 and over
11.4%
Married-couple families
2.3%
Female-led households
6.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 53.7% |
| Retirement income | 21.2% |
| Supplemental Security | 5.2% |
| Cash public assistance | 0.9% |
| Food stamps / SNAP | 1.7% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 36.3% |
| High cholesterol | 35.8% |
| Heart disease | 8.3% |
| Stroke | 3.8% |
| Asthma | 9.7% |
| Arthritis | 28.1% |
| Kidney disease | 3.5% |
| Pulmonary disease | 8.2% |
| Cancer | 7.7% |
| Behavior / access | % |
|---|---|
| Binge drinking | 14.3% |
| No physical activity | 23.1% |
| Less than 7 hrs sleep | 30.1% |
| Fair or poor health | 16.0% |
| Poor mental health | 13.0% |
| Poor physical health | 12.4% |
| No health insurance | 15.1% |
| Visited doctor (checkup) | 70.6% |
| Visited dentist | 57.5% |
| Cholesterol screening | 89.0% |
| Teeth loss | 15.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 486 | 8.2% |
| Disability | % |
|---|---|
| Any disability | 31.7% |
| Under 18 | 0.7% |
| 18–64 years | 16.2% |
| 65 and over | 58.7% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 69.2% |
| Public insurance | 45.8% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 4,009 | 97.6% |
| Spanish | 25 | 0.2% |
| Other Indo-European | 25 | 0.2% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 4,124 | 99.8% |
| Born in same state | 4,043 | 95.8% |
| Born in different state | 1,793 | 39.5% |
| Foreign born | 81 | 4.0% |
| Naturalized citizen | 24 | 0.2% |
| Not a US citizen | 3 | 15.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 1,078 | 26% |
| Italian | 322 | 7.8% |
| Dutch | 194 | 4.7% |
| Arab | 104 | 2.5% |
| Ancestry | Count | % |
|---|---|---|
| English | 80 | 1.9% |
| Polish | 72 | 1.7% |
| German | 1 | 0% |
| Irish | 1 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 41.2% |
| Internet access | 90.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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