ZIP Code Tabulation Area · Washington

ZIP Code 99143: Whitman County, WA

ZIP Code 99143 (Whitman County, Washington) has an estimated 585 residents in 276 households. The median household income is $38,214, the median home value is $123,600 and the median gross rent is $658/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Some estimates have a large margin of error. 4 figures for this ZIP (household income, bachelor's or higher, owner-occupied, commute) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

585

Margin of error ±175

Median household income

$38,214*

Margin of error ±$24,166· estimate has a large margin of error

Median home value

$123,600

Margin of error ±$36,398

Median gross rent

$658/mo

Margin of error ±$238

Median age

59.0 yrs

Margin of error ±5.3 yrs

Mean travel time to work

24.4 min*

Margin of error ±13.5 min· estimate has a large margin of error

How ZIP 99143 compares with Washington and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 9914359.0 yrsWashington38.3 yrsUnited States38.9 yrs

Median household income

ZIP 99143$38,214*Washington$98,141United States$80,734

Per capita income

ZIP 99143$37,459Washington$53,744United States$44,673

Poverty rate

ZIP 9914312.4%Washington9.9%United States12.5%

Unemployment rate

ZIP 991431.1%Washington5.1%United States5.2%

Bachelor's degree or higher

ZIP 9914335.3%*Washington39.6%United States35.7%

Median home value

ZIP 99143$123,600Washington$564,600United States$332,700

Median gross rent

ZIP 99143$658/moWashington$1,760/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9914384.8%*Washington63.8%United States65.2%

Mean travel time to work

ZIP 9914324.4 min*Washington26.6 minUnited States26.4 min

Worked from home

ZIP 9914314.6%Washington19.8%United States15.1%

All figures for ZIP 99143

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 99143 — ACS 2020–2024 5-year estimates
MeasureZIP 99143Margin of errorWashingtonUnited States
Total population585±1757,816,116334,922,499
Median age59.0 yrs±5.3 yrs38.3 yrs38.9 yrs
Households276±843,064,820129,227,496
Median household income$38,214*±$24,166$98,141$80,734
Per capita income$37,459±$11,959$53,744$44,673
Poverty rate12.4%±4.0 pts9.9%12.5%
Unemployment rate1.1%±1.4 pts5.1%5.2%
Bachelor's degree or higher35.3%*±16.5 pts39.6%35.7%
Median home value$123,600±$36,398$564,600$332,700
Median gross rent$658/mo±$238$1,760/mo$1,413/mo
Owner-occupied homes84.8%*±12.4 pts63.8%65.2%
Mean travel time to work24.4 min*±13.5 min26.6 min26.4 min
Worked from home14.6%±6.5 pts19.8%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 99143
GroupZIP 99143WashingtonUnited States
White alone, not Hispanic or Latino69.6%63.1%57.4%
Black or African American alone, not Hispanic or Latino3.6%3.8%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.7%0.8%0.5%
Asian alone, not Hispanic or Latino0.5%9.7%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.7%0.2%
Some other race alone, not Hispanic or Latino11.3%0.6%0.6%
Two or more races, not Hispanic or Latino3.9%6.8%4.3%
Hispanic or Latino (of any race)10.4%14.4%19.3%

Where ZIP 99143 is

State
Washington
Main county
Whitman County
Largest overlapping place
LaCrosse (less than 1% of the ZIP's land area)
Land area
331.33 sq mi· about 2 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Whitman County

99017 Whitman County, WA99033 Whitman County, WA99102 Albion, WA99111 Whitman County, WA99113 Whitman County, WA99125 Whitman County, WA99128 Whitman County, WA99130 Whitman County, WA99136 Whitman County, WA99149 Malden, WA99158 Whitman County, WA99161 Whitman County, WA99163 Whitman County, WA99170 Whitman County, WA99171 Whitman County, WA99174 Steptoe, WA99176 Whitman County, WA99179 Whitman County, WA99333 Whitman County, WA

See every ZIP code in Washington, or compare ZIP 99143 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.