83423 ZIP Code — Dubois, ID

Clark County, Idaho

ZIP code 83423 is located in Dubois, Idaho, within Clark County. It covers approximately 549.94 square miles and serves a population of 684 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 208.

About ZIP code 83423

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $175,000. Owner-occupancy sits near the national average at 69%.

Median household income is $51,458.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 26 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks. 25% of residents lack health insurance, above the national average.

Notable community characteristics include Spanish spoken in 32% of households.

684
population
549.94
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
83423 ZIP code map
Cities in ZIP code 83423

Below are the cities the US Postal Service accepts for ZIP code 83423. Using any city not on this list may result in mail delivery delays.

City Status
Dubois Acceptable
Dubois Preferred
Demographics updated 06/2026
Population
Total population 684
Population density 1 / sq mi
State FIPS 16
County FIPS 033
Geography
Land area 549.94 sq mi
Water area 0.16 sq mi
Latitude 44.2656
Longitude -112.5832
Timezone Mountain (MT)
Area code 208
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 65.1% 64.2% 41.8%
$50k – $100k 26.6% 27.8% 34.0%
$100k – $200k 8.3% 8.0% 19.5%
Over $200k 0.0% 0.0% 4.7%

Demographics & statistics

684
Population
1
People per sq mi
37.9
Median age
$51,458
Median household income
$23,917
Per capita income
$175,000
Median home value
$730
Median monthly rent
69.0%
Home ownership
9.3%
Poverty rate
1.0%
Unemployment
300
Housing units
16.7%
Bachelor's or higher

Age distribution

Male Female
23
Under 5
22
19
5–9
19
7
10–14
7
32
15–19
31
38
20–24
37
40
25–34
38
41
35–44
40
73
45–54
71
13
55–59
12
8
60–64
7
42
65–74
41
9
75–84
8
3
85+
3
← Male
Female →

Age summary

GroupCount%
Under 1813720.0%
18 and over54780.0%
65 and over10615.5%
Median age37.9 years

Race & ethnicity

White 43.1%
Hispanic or Latino 28.2%
Other race 20.9%
Two or more races 7.3%
Black or African American 0.4%
GroupCount%
White41143.1%
Hispanic or Latino26928.2%
Other race19920.9%
Two or more races707.3%
Black or African American40.4%

Household income

Income range This ZIP County avg State avg
Under $50k 65.1% 64.2% 41.8%
$50k – $100k 26.6% 27.8% 34.0%
$100k – $200k 8.3% 8.0% 19.5%
Over $200k 0.0% 0.0% 4.7%
Under $10k 1.3%
$10k–$15k 0.9%
$15k–$25k 6.1%
$25k–$35k 27.1%
$35k–$50k 13.1%
$50k–$75k 34.1%
$75k–$100k 6.6%
$100k–$150k 3.9%
$150k–$200k 7.0%
Range% of households
Under $10k1.3%
$10k–$15k0.9%
$15k–$25k6.1%
$25k–$35k27.1%
$35k–$50k13.1%
$50k–$75k34.1%
$75k–$100k6.6%
$100k–$150k3.9%
$150k–$200k7.0%
Median income$51,458

Housing

Home values

Under $50k 24.1%
$50k–$100k 7.0%
$100k–$150k 12.7%
$150k–$200k 9.5%
$200k–$300k 22.8%
$300k–$500k 12.0%
$500k–$1M 1.3%
$1M+ 10.8%

Housing overview

MetricValue
Median home value$175,000
Median rent / month$730
Owner occupied69.0%
Renter occupied31.0%
Vacant38.3%
Single-family detached69.0%
Large apartment buildings0.0%
Mobile homes23.5%
Median rooms5.1
Avg household size (owned)2.61

Year built

Era%
2020 or later0.0%
2010–20196.7%
2000–20098.9%
1990–199925.3%
1980–19894.6%
1970–197927.8%
1960–19693.8%
1950–19593.0%
1940–19493.0%
1939 or earlier17.0%

Bedrooms

Size% of units
No bedroom (studio)3.2%
1 bedroom2.7%
2 bedrooms32.3%
3 bedrooms38.5%
4 bedrooms17.3%
5+ bedrooms5.9%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle22.3%
2 vehicles35.8%
3 or more41.9%

Heating fuel

Fuel type%
Electricity23.1%
Propane / LP gas25.8%
Fuel oil6.6%
Wood43.2%

Households & families

Household typeCount%
Married-couple family11248.9%
Cohabiting couple146.1%
Male householder, no spouse6628.8%
Female householder, no spouse3716.2%
Households with children under 186126.6%
Households with seniors (65+)6628.8%
Average household size2.85

Marital status

StatusMaleFemale
Never married41.8%40.6%
Married43.2%43.0%
Separated0.0%4.8%
Widowed11.2%3.8%
Divorced3.7%7.8%

Education

Less than 9th grade 16.9%
Some HS, no diploma 23.4%
HS graduate 28.1%
Some college, no degree 12.2%
Associate's degree 2.7%
Bachelor's degree 12.0%
Graduate / professional 4.7%
Metric%
HS diploma or higher59.7%
Bachelor's or higher16.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1210.3%
Kindergarten32.6%
Elementary school3529.9%
High school4941.9%
College / grad school1815.4%

Employment

Industry of employment

Agriculture & mining 32.6%
Education & healthcare 23.6%
Manufacturing 18.0%
Public administration 9.3%
Retail trade 3.2%
Arts, food & hospitality 3.2%
Other services 2.7%
Wholesale trade 1.9%
Professional & management 1.9%
Transportation & utilities 1.6%
Construction 1.3%
Information 0.8%

Occupation

Category%
Management, business & arts30.5%
Service18.0%
Sales & office12.5%
Natural resources & construction29.2%
Production & transportation9.8%

Employment type

Type%
Private sector69.5%
Government25.5%
Self-employed5.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone69.8%
Carpool22.2%
Public transit0.0%
Walk2.4%
Work from home5.6%
Other means0.0%
Avg commute (minutes)25.9

Poverty

All people 9.3%
Under 18 years 8.8%
18 and over 9.4%
Married-couple families 2.7%
Female-led households 66.7%

Income support

Source% of households
Social Security25.3%
Retirement income15.3%
Supplemental Security0.4%
Cash public assistance0.4%
Food stamps / SNAP1.3%

Health indicators

Condition%
Obesity38.8%
High blood pressure32.9%
High cholesterol31.7%
Diabetes12.6%
Heart disease7.7%
Stroke3.8%
Asthma10.1%
Arthritis24.3%
Kidney disease3.4%
Pulmonary disease8.3%
Cancer6.1%
Behavior / access%
Smoking20.9%
Binge drinking13.7%
No physical activity32.1%
Less than 7 hrs sleep31.9%
Depression19.4%
Fair or poor health21.2%
Poor mental health14.7%
Poor physical health13.9%
No health insurance31.1%
Visited doctor (checkup)67.4%
Visited dentist54.0%
Cholesterol screening82.9%
Teeth loss23.2%

Veterans & disability

VeteransCount%
Civilian veterans61.1%
Disability%
Any disability15.1%
Under 182.2%
18–64 years15.8%
65 and over29.2%

Health insurance coverage

Type%
Private insurance50.5%
Public insurance33.5%
No insurance25.4%
Uninsured under 193.5%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only63993.4%
Spanish20532.1%
Other Indo-European20131.5%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)46067.3%
Born in same state43663.7%
Born in different state30344.3%
Foreign born243.5%
Naturalized citizen22432.7%
Not a US citizen4319.2%

Ancestry

AncestryCount%
French9413.7%
Arab7911.5%
Polish162.3%
AncestryCount%
English152.2%
Italian101.5%
Dutch60.9%

Technology access

Metric% of households
Computer access33.5%
Internet access90.0%

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

Frequently asked questions about ZIP code 83423

What city is ZIP code 83423 in?

ZIP code 83423 is primarily assigned to Dubois, Idaho.

What county is ZIP code 83423 in?

ZIP code 83423 falls within Clark County, Idaho.

Is Spanish widely spoken in ZIP code 83423?

Approximately 32% of households in ZIP code 83423 speak Spanish as a primary language.

What is the typical home value in ZIP code 83423?

The median home value in ZIP code 83423 is $175,000.

What is the population of ZIP code 83423?

ZIP code 83423 has an estimated population of 684 residents, with a density of 1 people per square mile.

What is the median household income in ZIP code 83423?

The median household income in ZIP code 83423 is $51,458, below the national median of ~$75,000.

What timezone is ZIP code 83423 in?

ZIP code 83423 observes the MST timezone.

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