ZIP Code 99170
ZIP Code Tabulation Area in Whitman County, Washington.
- Population
- 1,015
- Median household income
- $75,208
- Median home value
- $216,100
+2.2%’19–’23
+44.9%’19–’23
+74.3%’19–’23
ZIP Code 99170 (Whitman County, Washington) is home to about 1,015 residents. The median household income of $75,208 is above the Whitman County median ($52,893).
Between 2019 and 2023, ZIP Code 99170's population grew 2.2% from 993 to 1,015, while its median gross rent rose 21.1% from $596 to $722.
Owners occupy 84.9% of the area's occupied homes. The median resident is 46.2 years old.
Demographics
ACS 2019–2023- Population
- 1,015
- Median age
- 46.2 yrs
- Median household income
- $75,208
- Median home value
- $216,100
- Median gross rent
- $722
- Housing units
- 475
- Homeownership rate
- 84.9%
- Bachelor's degree or higher
- 21.2%
- Unemployment rate
- 6.7%
Trends
ACS 5-year · 2019–20239931,015
$51,905$75,208
$124,000$216,100
$596$722
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 993 | $51,905 | $124,000 | $596 |
| 2020 | 1,022 | $54,063 | $135,100 | $592 |
| 2021 | 980 | $57,583 | $155,600 | $590 |
| 2022 | 955 | $61,250 | $179,300 | $906 |
| 2023 | 1,015 | $75,208 | $216,100 | $722 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 58.1%
5 to 1716.7%
18 to 244.9%
25 to 3410.4%
35 to 446.4%
45 to 5414.0%
55 to 6420.7%
65 to 7411.2%
75 and over7.5%
| Count | Share | |
|---|---|---|
| Under 5 | 82 | 8.1% |
| 5 to 17 | 170 | 16.7% |
| 18 to 24 | 50 | 4.9% |
| 25 to 34 | 106 | 10.4% |
| 35 to 44 | 65 | 6.4% |
| 45 to 54 | 142 | 14.0% |
| 55 to 64 | 210 | 20.7% |
| 65 to 74 | 114 | 11.2% |
| 75 and over | 76 | 7.5% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 874 | 86.1% |
| Black or African American | 7 | 0.7% |
| American Indian & Alaska Native | 3 | 0.3% |
| Asian | 6 | 0.6% |
| Native Hawaiian & Pacific Islander | 3 | 0.3% |
| Some other race | 0 | 0.0% |
| Two or more races | 71 | 7.0% |
| Hispanic or Latino (any race) | 51 | 5.0% |
Educational attainment (age 25+)
No high school diploma5.2%
High school graduate26.8%
Some college or associate's46.8%
Bachelor's degree13.0%
Graduate or professional degree8.1%
| Count | Share | |
|---|---|---|
| No high school diploma | 37 | 5.2% |
| High school graduate | 191 | 26.8% |
| Some college or associate's | 334 | 46.8% |
| Bachelor's degree | 93 | 13.0% |
| Graduate or professional degree | 58 | 8.1% |
Commute to work
- Mean travel time to work
- 33 min
Drove alone78.8%
Carpooled4.2%
Public transit0.0%
Walked6.6%
Bicycle0.0%
Worked from home10.4%
Other means0.0%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 371 | 78.8% |
| Carpooled | 20 | 4.2% |
| Public transit | 0 | 0.0% |
| Walked | 31 | 6.6% |
| Bicycle | 0 | 0.0% |
| Worked from home | 49 | 10.4% |
| Other means | 0 | 0.0% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 105 | 24.9% |
| 15 to 29 min | 28 | 6.6% |
| 30 to 44 min | 127 | 30.1% |
| 45 to 59 min | 101 | 23.9% |
| 60+ min | 61 | 14.5% |
Households
- Average household size
- 2.47
- Poverty rate
- 13.9% (141 of 1,015)
| Count | Share | |
|---|---|---|
| Family households | 257 | 62.5% |
| Nonfamily households | 154 | 37.5% |
Housing
- Median year structure built
- 1943
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 411 | 86.5% |
| Vacant | 64 | 13.5% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 349 | 84.9% |
| Renter-occupied | 62 | 15.1% |
1-unit, detached84.2%
1-unit, attached0.0%
2 to 4 units0.8%
5 to 19 units5.5%
20 or more units0.0%
Mobile home & other9.5%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 400 | 84.2% |
| 1-unit, attached | 0 | 0.0% |
| 2 to 4 units | 4 | 0.8% |
| 5 to 19 units | 26 | 5.5% |
| 20 or more units | 0 | 0.0% |
| Mobile home & other | 45 | 9.5% |
Geography
- ZCTA
- 99170
- Land area
- 173 sq mi
- Water area
- 0.32 sq mi
- Center point
- 47.2530, -117.3972
Counties this ZIP covers
2Compare 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)