99333 ZIP Code — Hooper, WA
Whitman County, Washington
ZIP code 99333 is located in Hooper, Washington, within Whitman County. It covers approximately 86.45 square miles and serves a population of 91 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 509.
91
population
86.45
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
99333 ZIP code map
Cities in ZIP code 99333
Below are the cities the US Postal Service accepts for ZIP code 99333. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Hooper | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 91 |
| Population density | 1 / sq mi |
| State FIPS | 53 |
| County FIPS | 075 |
| Geography | |
|---|---|
| Land area | 86.45 sq mi |
| Water area | 2.29 sq mi |
| Latitude | 46.7546 |
| Longitude | -118.1466 |
| 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 | 32.0% | 55.9% | 31.7% |
| $50k – $100k | 56.0% | 24.5% | 30.6% |
| $100k – $200k | 0.0% | 15.6% | 27.1% |
| Over $200k | 12.0% | 4.0% | 10.6% |
Demographics & statistics
91
Population
1
People per sq mi
53.3
Median age
$90,882
Median household income
$46,336
Per capita income
$590,900
Median home value
$0
Median monthly rent
71.4%
Home ownership
0.0%
Poverty rate
0.0%
Unemployment
33
Housing units
26.7%
Bachelor's or higher
Age distribution
Male
Female
2
Under 5
1
4
10–14
2
8
15–19
3
8
20–24
3
14
45–54
5
19
55–59
8
10
65–74
4
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 17 | 18.7% |
| 18 and over | 74 | 81.3% |
| 65 and over | 14 | 15.4% |
| Median age | 53.3 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 91 | 100% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 32.0% | 55.9% | 31.7% |
| $50k – $100k | 56.0% | 24.5% | 30.6% |
| $100k – $200k | 0.0% | 15.6% | 27.1% |
| Over $200k | 12.0% | 4.0% | 10.6% |
$25k–$35k
10.7%
$50k–$75k
17.9%
$75k–$100k
60.7%
$200k+
10.7%
| Range | % of households |
|---|---|
| $25k–$35k | 10.7% |
| $50k–$75k | 17.9% |
| $75k–$100k | 60.7% |
| $200k+ | 10.7% |
| Median income | $90,882 |
Housing
Home values
$300k–$500k
30.0%
$500k–$1M
55.0%
$1M+
15.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $590,900 |
| Median rent / month | $0 |
| Owner occupied | 71.4% |
| Renter occupied | 28.6% |
| Vacant | 31.7% |
| Single-family detached | 100.0% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 8.0 |
| Avg household size (owned) | 3.80 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 26.8% |
| 1990–1999 | 24.4% |
| 1980–1989 | 0.0% |
| 1970–1979 | 7.3% |
| 1960–1969 | 0.0% |
| 1950–1959 | 0.0% |
| 1940–1949 | 14.6% |
| 1939 or earlier | 26.8% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 7.3% |
| 3 bedrooms | 56.1% |
| 4 bedrooms | 29.3% |
| 5+ bedrooms | 7.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 0.0% |
| 2 vehicles | 0.0% |
| 3 or more | 100.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 82.1% |
| Fuel oil | 17.9% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 25 | 89.3% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 3 | 10.7% |
| Female householder, no spouse | 0 | 0.0% |
| Households with children under 18 | 14 | 50.0% |
| Households with seniors (65+) | 14 | 50.0% |
| Average household size | 3.25 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 25.0% | 7.7% |
| Married | 75.0% | 92.3% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 0.0% |
| Divorced | 0.0% | 0.0% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
0.0%
HS graduate
0.0%
Some college, no degree
73.3%
Associate's degree
0.0%
Bachelor's degree
21.7%
Graduate / professional
5.0%
| Metric | % |
|---|---|
| HS diploma or higher | 100.0% |
| Bachelor's or higher | 26.7% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 6 | 31.6% |
| High school | 8 | 42.1% |
| College / grad school | 5 | 26.3% |
Employment
Industry of employment
Agriculture & mining
77.4%
Construction
11.3%
Education & healthcare
11.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 45.3% |
| Service | 50.9% |
| Sales & office | 0.0% |
| Natural resources & construction | 3.8% |
| Production & transportation | 0.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 26.4% |
| Government | 22.6% |
| Self-employed | 50.9% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 35.8% |
| Carpool | 7.5% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 56.6% |
| Other means | 0.0% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
0.0%
Under 18 years
0.0%
18 and over
0.0%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 50.0% |
| Retirement income | 0.0% |
| Supplemental Security | 0.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 33.4% |
| High blood pressure | 31.5% |
| High cholesterol | 31.4% |
| Diabetes | 9.1% |
| Heart disease | 6.5% |
| Stroke | 3.0% |
| Asthma | 10.7% |
| Arthritis | 25.6% |
| Kidney disease | 2.9% |
| Pulmonary disease | 6.9% |
| Cancer | 7.2% |
| Behavior / access | % |
|---|---|
| Smoking | 16.9% |
| Binge drinking | 18.2% |
| No physical activity | 18.4% |
| Less than 7 hrs sleep | 29.5% |
| Depression | 26.0% |
| Fair or poor health | 13.2% |
| Poor mental health | 14.9% |
| Poor physical health | 10.7% |
| No health insurance | 10.1% |
| Visited doctor (checkup) | 68.1% |
| Visited dentist | 67.3% |
| Cholesterol screening | 88.9% |
| Teeth loss | 11.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 3 | 4.1% |
| Disability | % |
|---|---|
| Any disability | 0.0% |
| Under 18 | 0.0% |
| 18–64 years | 0.0% |
| 65 and over | 0.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 67.0% |
| Public insurance | 45.1% |
| No insurance | 0.0% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 88 | 96.7% |
| 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) | 91 | 100.0% |
| Born in same state | 64 | 70.3% |
| Born in different state | 34 | 37.4% |
| Foreign born | 27 | 29.7% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 27 | 29.7% |
| Ancestry | Count | % |
|---|---|---|
| French | 3 | 3.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 30.8% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99333
What city is ZIP code 99333 in?
ZIP code 99333 is primarily assigned to Hooper, Washington.
What county is ZIP code 99333 in?
ZIP code 99333 falls within Whitman County, Washington.
What share of ZIP code 99333 residents are foreign-born?
30% of residents in ZIP code 99333 are foreign-born, well above the national average of ~14%.
Does ZIP code 99333 have a large retiree population?
50% of households in ZIP code 99333 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 99333?
The median home value in ZIP code 99333 is $590,900.
What is the population of ZIP code 99333?
ZIP code 99333 has an estimated population of 91 residents, with a density of 1 people per square mile.
What timezone is ZIP code 99333 in?
ZIP code 99333 observes the PST timezone.