ZIP Code 99113

ZIP Code Tabulation Area in Whitman County, Washington.

Population: 535
Median household income: $95,357
Median home value: $355,700

Covering part of Whitman County, Washington, ZIP Code 99113 has about 535 residents. At $95,357, its median household income sits above Whitman County's $52,893.

From 2019 to 2023, ZIP Code 99113's population declined 27.6% from 739 to 535, while its median gross rent rose 25.4% from $822 to $1,031.

The median gross rent is $1,031. 41.7% of adults 25 and older hold a bachelor's degree or higher.

Demographics

ACS 2019–2023

Population: 535
Median age: 57.2 yrs
Median household income: $95,357
Median home value: $355,700
Median gross rent: $1,031
Housing units: 273
Homeownership rate: 84.2%
Bachelor's degree or higher: 41.7%
Unemployment rate: 1.4%

Trends

ACS 5-year · 2019–2023

Population

739535

Median household income

$60,526$95,357

Median home value

$224,300$355,700

Median gross rent

$822$1,031

Year	Population	Median household income	Median home value	Median gross rent
2019	739	$60,526	$224,300	$822
2020	600	$62,308	$226,500	$781
2021	559	$72,969	$235,100	$775
2022	555	$82,292	$301,300	$938
2023	535	$95,357	$355,700	$1,031

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.8%

5 to 178.2%

18 to 242.2%

25 to 3411.2%

35 to 4410.8%

45 to 5410.8%

55 to 6420.2%

65 to 7415.3%

75 and over15.3%

	Count	Share
Under 5	31	5.8%
5 to 17	44	8.2%
18 to 24	12	2.2%
25 to 34	60	11.2%
35 to 44	58	10.8%
45 to 54	58	10.8%
55 to 64	108	20.2%
65 to 74	82	15.3%
75 and over	82	15.3%

Race & ethnicity

	Count	Share
White (non-Hispanic)	479	89.5%
Black or African American	14	2.6%
American Indian & Alaska Native	0	0.0%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	38	7.1%
Hispanic or Latino (any race)	4	0.7%

Educational attainment (age 25+)

No high school diploma2.2%

High school graduate15.6%

Some college or associate's40.4%

Bachelor's degree23.9%

Graduate or professional degree17.9%

	Count	Share
No high school diploma	10	2.2%
High school graduate	70	15.6%
Some college or associate's	181	40.4%
Bachelor's degree	107	23.9%
Graduate or professional degree	80	17.9%

Commute to work

Mean travel time to work: 23 min

Drove alone65.7%

Carpooled12.8%

Public transit0.0%

Walked9.4%

Bicycle0.4%

Worked from home11.7%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	174	65.7%
Carpooled	34	12.8%
Public transit	0	0.0%
Walked	25	9.4%
Bicycle	1	0.4%
Worked from home	31	11.7%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	42	17.9%
15 to 29 min	117	50.0%
30 to 44 min	66	28.2%
45 to 59 min	1	0.4%
60+ min	8	3.4%

Households

Average household size: 2.29
Poverty rate: 0.9% (5 of 535)

	Count	Share
Family households	185	79.1%
Nonfamily households	49	20.9%

Housing

Median year structure built: 1955

Occupancy

	Count	Share
Occupied	234	85.7%
Vacant	39	14.3%

Tenure (of occupied units)

	Count	Share
Owner-occupied	197	84.2%
Renter-occupied	37	15.8%

1-unit, detached93.0%

1-unit, attached2.9%

2 to 4 units1.8%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other2.2%

Units in structure

	Count	Share
1-unit, detached	254	93.0%
1-unit, attached	8	2.9%
2 to 4 units	5	1.8%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	6	2.2%

ZIP Code 99113

Demographics

Trends

Age distribution

Race & ethnicity

Educational attainment (age 25+)

Commute to work

Households

Housing

Geography

Counties this ZIP covers

Compare with nearby ZIP codes

National ZIP rankings

Nearby ZIP codes