ZIP Code 99128
ZIP Code Tabulation Area in Whitman County, Washington.
- Population
- 248
- Median household income
- $58,194
- Median home value
- $300,000
-26.4%’19–’23
+0.7%’19–’23
+75.1%’19–’23
ZIP Code 99128 (Whitman County, Washington) is home to about 248 residents. At $58,194, its median household income sits above Whitman County's $52,893.
From 2019 to 2023, ZIP Code 99128's population declined 26.4% from 337 to 248.
The median resident is 51.0 years old. The largest age group is 55 to 64, 25.0% of residents.
Demographics
ACS 2019–2023- Population
- 248
- Median age
- 51.0 yrs
- Median household income
- $58,194
- Median home value
- $300,000
- Median gross rent
- $925
- Housing units
- 149
- Homeownership rate
- 76.9%
- Bachelor's degree or higher
- 25.6%
- Unemployment rate
- 10.8%
Trends
ACS 5-year · 2019–2023337248
$57,813$58,194
$171,300$300,000
$825$925
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 337 | $57,813 | $171,300 | — |
| 2020 | 371 | — | $265,700 | $825 |
| 2021 | 291 | $58,750 | $267,400 | $700 |
| 2022 | 289 | $57,143 | $265,600 | $550 |
| 2023 | 248 | $58,194 | $300,000 | $925 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 51.6%
5 to 1714.9%
18 to 243.2%
25 to 348.9%
35 to 4412.1%
45 to 5414.1%
55 to 6425.0%
65 to 7412.9%
75 and over7.3%
| Count | Share | |
|---|---|---|
| Under 5 | 4 | 1.6% |
| 5 to 17 | 37 | 14.9% |
| 18 to 24 | 8 | 3.2% |
| 25 to 34 | 22 | 8.9% |
| 35 to 44 | 30 | 12.1% |
| 45 to 54 | 35 | 14.1% |
| 55 to 64 | 62 | 25.0% |
| 65 to 74 | 32 | 12.9% |
| 75 and over | 18 | 7.3% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 232 | 93.5% |
| Black or African American | 0 | 0.0% |
| American Indian & Alaska Native | 2 | 0.8% |
| Asian | 2 | 0.8% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 0 | 0.0% |
| Two or more races | 4 | 1.6% |
| Hispanic or Latino (any race) | 8 | 3.2% |
Educational attainment (age 25+)
No high school diploma3.5%
High school graduate29.6%
Some college or associate's41.2%
Bachelor's degree18.6%
Graduate or professional degree7.0%
| Count | Share | |
|---|---|---|
| No high school diploma | 7 | 3.5% |
| High school graduate | 59 | 29.6% |
| Some college or associate's | 82 | 41.2% |
| Bachelor's degree | 37 | 18.6% |
| Graduate or professional degree | 14 | 7.0% |
Commute to work
- Mean travel time to work
- 25 min
Drove alone54.8%
Carpooled18.3%
Public transit0.0%
Walked5.2%
Bicycle0.0%
Worked from home20.0%
Other means1.7%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 63 | 54.8% |
| Carpooled | 21 | 18.3% |
| Public transit | 0 | 0.0% |
| Walked | 6 | 5.2% |
| Bicycle | 0 | 0.0% |
| Worked from home | 23 | 20.0% |
| Other means | 2 | 1.7% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 31 | 33.7% |
| 15 to 29 min | 17 | 18.5% |
| 30 to 44 min | 16 | 17.4% |
| 45 to 59 min | 25 | 27.2% |
| 60+ min | 3 | 3.3% |
Households
- Average household size
- 2.12
- Poverty rate
- 13.7% (34 of 248)
| Count | Share | |
|---|---|---|
| Family households | 60 | 51.3% |
| Nonfamily households | 57 | 48.7% |
Housing
- Median year structure built
- 1938
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 117 | 78.5% |
| Vacant | 32 | 21.5% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 90 | 76.9% |
| Renter-occupied | 27 | 23.1% |
1-unit, detached85.9%
1-unit, attached1.3%
2 to 4 units0.0%
5 to 19 units0.0%
20 or more units0.0%
Mobile home & other12.8%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 128 | 85.9% |
| 1-unit, attached | 2 | 1.3% |
| 2 to 4 units | 0 | 0.0% |
| 5 to 19 units | 0 | 0.0% |
| 20 or more units | 0 | 0.0% |
| Mobile home & other | 19 | 12.8% |
Geography
- ZCTA
- 99128
- Land area
- 59 sq mi
- Water area
- 0 sq mi
- Center point
- 47.0979, -117.0813
Counties this ZIP covers
1Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)