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Census ACS · ZIP Code Tabulation Area

99128 Income Statistics for 2026

Whitman County, Washington

Median household income

$58,942

Median household income ($58,942) is higher than Whitman County County ($54,535).

99128$58,942
Whitman County County$54,535
99176$128,000
99113$104,643
99179$79,063
99161$87,464
99130$82,000

Average household income

$79,788

Average household income ($79,788) is lower than Whitman County County ($84,370).

99128$79,788
Whitman County County$84,370
99176$126,363
99113$125,879
99179$105,295
99161$102,734
99130$101,296

Per-capita income

$38,137

Per-capita income ($38,137) is higher than Whitman County County ($34,368).

99128$38,137
Whitman County County$34,368
99176$55,890
99113$53,436
99179$35,749
99161$41,839
99130$37,059

Households earning $100k+

29.6%

Households earning $100k+ (29.6%) is lower than Whitman County County (30.0%).

9912829.6%
Whitman County County30.0%
9917665.3%
9911352.5%
9917932.0%
9916141.0%
9913034.1%

All demographics

Population
259
Households
125
Median age
57.1 yrs
Median household income
$58,942
Mean household income
$79,788
Per capita income
$38,137
Median home value
$363,500
Median gross rent
$1,089
Owner-occupied housing
76.0%
Bachelor's degree or higher
25.5%
In labor force
50.0%
Poverty rate
17.8%
Households earning $100k+
29.6%
Population under 5
3.9%
Population age 18–34
6.2%
Population age 25–44
18.1%
Population age 45–64
34.0%
Population age 65+
29.7%
Hispanic or Latino
6.9%
Black (non-Hispanic)
0.0%
Asian (non-Hispanic)
0.8%
Unemployment rate
13.1%
Open in interactive explorer

County and peer ZIP comparisons use population-weighted aggregates from other ZCTAs in the same county. Source: US Census Bureau ACS 5-year estimates. Page URL: https://resource.skyrocketbpo.com/tools/market-research/us-income-demographics-by-zip-code/washington/99128

Link to this page

Permanent URL backed by Census ACS data in PocketBase.

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