99174 ZIP Code — Steptoe, WA
Whitman County, Washington
ZIP code 99174 is located in Steptoe, Washington, within Whitman County. It covers approximately 0.03 square miles and serves a population of 32 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 509.
32
population
0.03
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
99174 ZIP code map
Cities in ZIP code 99174
Below are the cities the US Postal Service accepts for ZIP code 99174. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Steptoe | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 32 |
| Population density | 1,067 / sq mi |
| State FIPS | 53 |
| County FIPS | 075 |
| Geography | |
|---|---|
| Land area | 0.03 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 47.0064 |
| Longitude | -117.3553 |
| Timezone | Pacific (PT) |
| Area code | 509 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 47.6% | 55.9% | 31.7% |
| $50k – $100k | 42.9% | 24.5% | 30.6% |
| $100k – $200k | 9.5% | 15.6% | 27.1% |
| Over $200k | 0.0% | 4.0% | 10.6% |
Demographics & statistics
32
Population
1,067
People per sq mi
55.9
Median age
$90,625
Median household income
$41,359
Per capita income
$187,500
Median home value
$0
Median monthly rent
58.8%
Home ownership
3.1%
Poverty rate
0.0%
Unemployment
15
Housing units
16.1%
Bachelor's or higher
Age distribution
Male
Female
1
20–24
0
1
35–44
1
4
45–54
3
5
55–59
4
2
60–64
1
2
65–74
1
2
75–84
1
2
85+
2
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 0 | 0.0% |
| 18 and over | 32 | 100.0% |
| 65 and over | 10 | 31.3% |
| Median age | 55.9 years | |
Race & ethnicity
White
84.4%
Two or more races
12.5%
Asian
3.1%
| Group | Count | % |
|---|---|---|
| White | 27 | 84.4% |
| Two or more races | 4 | 12.5% |
| Asian | 1 | 3.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 47.6% | 55.9% | 31.7% |
| $50k – $100k | 42.9% | 24.5% | 30.6% |
| $100k – $200k | 9.5% | 15.6% | 27.1% |
| Over $200k | 0.0% | 4.0% | 10.6% |
Under $10k
5.9%
$15k–$25k
5.9%
$35k–$50k
29.4%
$50k–$75k
5.9%
$75k–$100k
11.8%
$100k–$150k
41.2%
| Range | % of households |
|---|---|
| Under $10k | 5.9% |
| $15k–$25k | 5.9% |
| $35k–$50k | 29.4% |
| $50k–$75k | 5.9% |
| $75k–$100k | 11.8% |
| $100k–$150k | 41.2% |
| Median income | $90,625 |
Housing
Home values
$50k–$100k
20.0%
$100k–$150k
20.0%
$150k–$200k
20.0%
$200k–$300k
20.0%
$300k–$500k
20.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $187,500 |
| Median rent / month | $0 |
| Owner occupied | 58.8% |
| Renter occupied | 41.2% |
| Vacant | 22.7% |
| Single-family detached | 100.0% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 5.5 |
| Avg household size (owned) | 1.70 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 22.7% |
| 2000–2009 | 0.0% |
| 1990–1999 | 0.0% |
| 1980–1989 | 0.0% |
| 1970–1979 | 4.5% |
| 1960–1969 | 0.0% |
| 1950–1959 | 18.2% |
| 1940–1949 | 13.6% |
| 1939 or earlier | 40.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 40.9% |
| 3 bedrooms | 31.8% |
| 4 bedrooms | 4.5% |
| 5+ bedrooms | 22.7% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 5.9% |
| 1 vehicle | 11.8% |
| 2 vehicles | 64.7% |
| 3 or more | 17.6% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 29.4% |
| Propane / LP gas | 5.9% |
| Fuel oil | 29.4% |
| Wood | 29.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 10 | 58.8% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 3 | 17.6% |
| Female householder, no spouse | 4 | 23.5% |
| Households with children under 18 | 0 | 0.0% |
| Households with seniors (65+) | 4 | 23.5% |
| Average household size | 1.88 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 5.9% | 0.0% |
| Married | 82.4% | 73.3% |
| Separated | 0.0% | 6.7% |
| Widowed | 0.0% | 6.7% |
| Divorced | 11.8% | 13.3% |
Education
Less than 9th grade
6.5%
Some HS, no diploma
0.0%
HS graduate
19.4%
Some college, no degree
35.5%
Associate's degree
22.6%
Bachelor's degree
9.7%
Graduate / professional
6.5%
| Metric | % |
|---|---|
| HS diploma or higher | 93.5% |
| Bachelor's or higher | 16.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 0 | 0.0% |
| High school | 0 | 0.0% |
| College / grad school | 1 | 100.0% |
Employment
Industry of employment
Professional & management
40.0%
Public administration
20.0%
Construction
13.3%
Education & healthcare
13.3%
Other services
13.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 33.3% |
| Service | 13.3% |
| Sales & office | 40.0% |
| Natural resources & construction | 13.3% |
| Production & transportation | 0.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 66.7% |
| Government | 20.0% |
| Self-employed | 13.3% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 66.7% |
| Carpool | 0.0% |
| Public transit | 0.0% |
| Walk | 20.0% |
| Work from home | 13.3% |
| Other means | 0.0% |
| Avg commute (minutes) | 28.1 |
Poverty
All people
3.1%
Under 18 years
0.0%
18 and over
3.1%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 23.5% |
| Retirement income | 41.2% |
| Supplemental Security | 11.8% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 11.8% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 0.0% |
| High blood pressure | 0.0% |
| High cholesterol | 0.0% |
| Diabetes | 0.0% |
| Heart disease | 0.0% |
| Stroke | 0.0% |
| Asthma | 0.0% |
| Arthritis | 0.0% |
| Kidney disease | 0.0% |
| Pulmonary disease | 0.0% |
| Cancer | 0.0% |
| Behavior / access | % |
|---|---|
| Smoking | 0.0% |
| Binge drinking | 0.0% |
| No physical activity | 0.0% |
| Less than 7 hrs sleep | 0.0% |
| Depression | 0.0% |
| Fair or poor health | 0.0% |
| Poor mental health | 0.0% |
| Poor physical health | 0.0% |
| No health insurance | 0.0% |
| Visited doctor (checkup) | 0.0% |
| Visited dentist | 0.0% |
| Cholesterol screening | 0.0% |
| Teeth loss | 0.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 5 | 15.6% |
| Disability | % |
|---|---|
| Any disability | 37.5% |
| Under 18 | 0.0% |
| 18–64 years | 18.2% |
| 65 and over | 80.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 75.0% |
| Public insurance | 43.8% |
| No insurance | 0.0% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 32 | 100.0% |
| 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) | 32 | 100.0% |
| Born in same state | 32 | 100.0% |
| Born in different state | 22 | 68.8% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 6 | 18.8% |
| Italian | 2 | 6.3% |
| French | 2 | 6.3% |
| Ancestry | Count | % |
|---|---|---|
| German | 1 | 3.1% |
| English | 1 | 3.1% |
| Polish | 1 | 3.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 53.1% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99174
What city is ZIP code 99174 in?
ZIP code 99174 is primarily assigned to Steptoe, Washington.
What county is ZIP code 99174 in?
ZIP code 99174 falls within Whitman County, Washington.
Does ZIP code 99174 have an older population?
31% of residents in ZIP code 99174 are 65 or older, above the national average of ~17%.
Does ZIP code 99174 have a large veteran population?
16% of civilians in ZIP code 99174 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 99174?
The median home value in ZIP code 99174 is $187,500.
What is the population of ZIP code 99174?
ZIP code 99174 has an estimated population of 32 residents, with a density of 1,185 people per square mile.
What timezone is ZIP code 99174 in?
ZIP code 99174 observes the PST timezone.