Zip code 99111: Colfax, Washington

Q: What city is zip code 99111?

99111 is assigned to Colfax, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 99111 in?

99111 is in Whitman County, Washington.

Q: What is the population of 99111?

About 4,038 people live in 99111, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 99111?

The median household income in 99111 is $73,393.

Q: What zip codes are near 99111?

The closest zip codes to 99111 are 99102, 99174, 99163, 99161, 99164.

Residential delivery areaWhitman CountyPacific Time

Population

4,038

Median household income

$73K

U.S. $81K

Median home value

$296K

U.S. $333K

Median rent

$953/mo

U.S. $1,413

Median age

41.8

U.S. 38.9

Land area

307 sq mi

13 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 99111

99111 is a rural zip code in Colfax, Washington (Whitman County), covering 307 sq mi of land. About 4,038 people live here, or 13 per square mile. The median resident is 41.8 years old, compared with 38.9 nationally.

The median household earns $73,393 a year, close to the national median of $80,734. 10.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $295,800, or 4.0 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 73% of occupied homes are lived in by their owners, and renters pay a median of $953 a month.

31% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 17.8 minutes each way, and 7% of workers work from home. The most common jobs among working residents are in management, healthcare and sales. 19% of them are self-employed (U.S.: 10%).

How 99111 compares

Sorted from highest to lowest national percentile

Self-employed workers18.5%
96th
U.S. 10% · WA 9.6%80th of 570 in WA
Government workers23.6%
93rd
U.S. 14.5% · WA 16%163rd of 570 in WA
Healthcare workers12.7%
86th
U.S. 9.7% · WA 9.3%87th of 570 in WA
Housing vacancy11.3%
76th
U.S. 10.1% · WA 7.3%199th of 563 in WA
Veterans7.5%
72nd
U.S. 6.2% · WA 7.8%344th of 571 in WA
Residents 65 and older19.7%
72nd
U.S. 17.2% · WA 16.6%258th of 571 in WA
Median age41.8
70th
U.S. 38.9 · WA 38.3252nd of 571 in WA
Rent-burdened renters55.8%
69th
U.S. 51.1% · WA 49.9%131st of 541 in WA
Median earnings per worker$55,881
69th
U.S. $49,666 · WA $59,959233rd of 566 in WA
Residents under 1823.5%
63rd
U.S. 22% · WA 21.4%179th of 571 in WA
Homeownership rate72.9%
61st
U.S. 65.2% · WA 63.8%307th of 563 in WA
Bachelor's degree or higher30.5%
47th
U.S. 35.7% · WA 39.6%242nd of 571 in WA
Poverty rate10.1%
45th
U.S. 12.5% · WA 9.9%267th of 563 in WA
Per capita income$37,809
43rd
U.S. $44,673 · WA $53,744368th of 570 in WA
Median home value$295,800
43rd
U.S. $332,700 · WA $564,600431st of 536 in WA
Median household income$73,393
41st
U.S. $80,734 · WA $98,141360th of 541 in WA
Tech workers1.8%
29th
U.S. 3.8% · WA 6.7%337th of 570 in WA
Diversity index33.6
28th
U.S. 61.4 · WA 56.5354th of 571 in WA
Uninsured rate4%
22nd
U.S. 8.4% · WA 6.3%399th of 567 in WA
Income inequality (Gini)0.399
20th
StrengthU.S. 0.483 · WA 0.469364th of 560 in WA
Work from home7.4%
19th
U.S. 15.1% · WA 19.8%452nd of 570 in WA
Median gross rent$953
18th
U.S. $1,413 · WA $1,760387th of 475 in WA
Broadband access86.8%
18th
WeaknessU.S. 91% · WA 93.6%449th of 563 in WA
Unemployment rate2.7%
12th
StrengthU.S. 5.2% · WA 5.1%442nd of 570 in WA
Foreign-born residents1.9%
11th
U.S. 14.1% · WA 15.4%476th of 571 in WA
Population4,038
7th
U.S. 334,922,499 · WA 7,816,116315th of 571 in WA
Average commute17.8 min
5th
StrengthU.S. 26.4 min · WA 26.6 min488th of 546 in WA
Population density13/sq mi
2nd
U.S. 95/sq mi · WA 118/sq mi447th of 571 in WA

Measure	99111	Whitman	WA	U.S.	National percentile	Rank in WA
Self-employed workers	18.5%	9.2%	9.6%	10%	96th	80th of 570
Government workers	23.6%	32.3%	16%	14.5%	93rd	163rd of 570
Healthcare workers	12.7%	6.9%	9.3%	9.7%	86th	87th of 570
Housing vacancy	11.3%	15.3%	7.3%	10.1%	76th	199th of 563
Veterans	7.5%	4.2%	7.8%	6.2%	72nd	344th of 571
Residents 65 and older	19.7%	11.9%	16.6%	17.2%	72nd	258th of 571
Median age	41.8	26.4	38.3	38.9	70th	252nd of 571
Rent-burdened renters	55.8%	61.8%	49.9%	51.1%	69th	131st of 541
Median earnings per worker	$55,881	$35,462	$59,959	$49,666	69th	233rd of 566
Residents under 18	23.5%	15.8%	21.4%	22%	63rd	179th of 571
Homeownership rate	72.9%	46.8%	63.8%	65.2%	61st	307th of 563
Bachelor's degree or higher	30.5%	49.8%	39.6%	35.7%	47th	242nd of 571
Poverty rate	10.1%	22.7%	9.9%	12.5%	45th	267th of 563
Per capita income	$37,809	$34,326	$53,744	$44,673	43rd	368th of 570
Median home value	$295,800	$359,600	$564,600	$332,700	43rd	431st of 536
Median household income	$73,393	$55,406	$98,141	$80,734	41st	360th of 541
Tech workers	1.8%	4%	6.7%	3.8%	29th	337th of 570
Diversity index	33.6	44	56.5	61.4	28th	354th of 571
Uninsured rate	4%	5.5%	6.3%	8.4%	22nd	399th of 567
Income inequality (Gini)Strength	0.399	0.520	0.469	0.483	20th	364th of 560
Work from home	7.4%	10.3%	19.8%	15.1%	19th	452nd of 570
Median gross rent	$953	$1,049	$1,760	$1,413	18th	387th of 475
Broadband accessWeakness	86.8%	85.4%	93.6%	91%	18th	449th of 563
Unemployment rateStrength	2.7%	7%	5.1%	5.2%	12th	442nd of 570
Foreign-born residents	1.9%	7.5%	15.4%	14.1%	11th	476th of 571
Population	4,038	47,003	7,816,116	334,922,499	7th	315th of 571
Average commuteStrength	17.8 min	16.5 min	26.6 min	26.4 min	5th	488th of 546
Population density	13/sq mi	22/sq mi	118/sq mi	95/sq mi	2nd	447th of 571

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

18%

5–17

18–24

10%

25–34

14%

35–44

45–54

19%

55–64

10%

65–74

10%

75+

Median age

41.8

Under 18

23.5%

65 and over

19.7%

Race and ethnicity

White81%
Black2%
Hispanic11%
Asian0.8%
Native American0%
Pacific Islander0%
Other2%
Multiracial4%

Diversity index

33.6

U.S. 61.4

Foreign-born

1.9%

U.S. 14.1%

Born in state

58.1%

Language spoken at home (households)

English only

96%

Spanish

Other Indo-European

0.6%

Asian / Pacific

0.9%

Other

Households

Households: 1,714
Average household size: 2.3
Family households: 65.7%
Married couples: 55.4%
Living alone: 30.9%
Veterans (of adults): 7.5%
Male / female: 48% / 52%

Income and poverty

Household income distribution

<$25k

15%

$25–50k

16%

$50–75k

20%

$75–100k

14%

$100–150k

20%

$150–200k

$200k+

Median household income

99111

$73,393

Whitman Co.

$55,406

Washington

$98,141

United States

$80,734

Per capita income

$37,809

U.S. $44,673

Poverty rate

10.1%

U.S. 12.5%

Households earning $150K+

15.2%

U.S. 23%

Income inequality (Gini)

0.399

U.S. 0.483

Housing

Median home value

99111

$295,800

Whitman Co.

$359,600

Washington

$564,600

United States

$332,700

Median gross rent

99111

$953

Whitman Co.

$1,049

Washington

$1,760

United States

$1,413

Types of housing

Single-family

67%

2–4 units

11%

5–19 units

20+ units

Mobile home

10%

Boat, RV, van

Housing units: 1,932
Owner-occupied: 72.9%
Vacant: 11.3%
Median year built: 1955
Median rooms: 6
Renters paying 30%+ of income: 55.8%
Renters paying 50%+ of income: 39.7%
Home value to income: 4.0× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

81%

Carpooled

Transit

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

40%

10–19

16%

20–29

24%

30–44

11%

45–59

60+

Average commute

17.8 min

U.S. 26.4 min

Unemployment

2.7%

U.S. 5.2%

In labor force

56.1%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

14%

Healthcare

13%

Sales

12%

Transportation and moving

11%

Office and admin

Cleaning and personal care

Food service

Education

Construction and repair

Police and fire

Business and finance

Engineering and science

Legal and social services

Production

Computer and math

Arts, media and sports

Farming, fishing and forestry

0.6%

Industries

Retail

18%

Health care and social assistance

16%

Education

11%

Agriculture and mining

Transportation, warehousing and utilities

Other services

Public administration

Professional and technical services

Restaurants and hotels

Manufacturing

Construction

Wholesale

Admin, support and management

Finance, insurance and real estate

Information

Arts and recreation

Median earnings per worker

$55,881

U.S. $49,666

Self-employed

18.5%

U.S. 10%

Government workers

23.6%

U.S. 14.5%

Nonprofit workers

6.7%

U.S. 8.8%

Median earnings by type of work

Type of work	99111	U.S.
Management, business, science and arts	$66,127	$74,888
Service	$30,848	$26,804
Sales and office	$44,844	$40,476
Construction and maintenance	$55,417	$49,199
Production and transportation	$56,932	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

22%

Some college

26%

Associate's

17%

Bachelor's

20%

Graduate

11%

High school graduate or higher: 95.4%
Bachelor's degree or higher: 30.5%
Graduate or professional degree: 10.6%
Households with broadband: 86.8%
Cable, fiber or DSL: 71.7%
No internet access: 7.6%
Without health insurance: 4%
Limited-English households: 0.9%

Geography

City (USPS): Colfax
State: Washington
County: Whitman County
Center point: 46.8559° N, 117.4511° W
Land area: 307 sq mi
Water area: 0.1 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Colfax1% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 99111

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
99102	Albion, WA	11 mi	495	$56,833	$230,700
99174	Steptoe, WA	11 mi	69	$50,179	$254,500
99163	Pullman, WA	14 mi	34,022	$48,231	$435,900
99161	Palouse, WA	15 mi	1,435	$87,464	$302,600
99164	Pullman, WA · PO box	16 mi	—	—	—
99125	Endicott, WA	16 mi	611	$52,569	$195,800
99130	Garfield, WA	16 mi	693	$82,000	$232,100
99176	Thornton, WA	16 mi	163	$128,000	$283,300
99171	Saint John, WA	19 mi	895	$53,333	$220,500
99143	Lacrosse, WA	20 mi	585	$38,214	$123,600
99104	Belmont, WA · PO box	20 mi	—	—	—
99158	Oakesdale, WA	22 mi	561	$78,375	$301,800

Zip codes like 99111 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 99111

What city is zip code 99111?

99111 is assigned to Colfax, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 99111 in?

99111 is in Whitman County, Washington.

What is the population of 99111?

About 4,038 people live in 99111, according to the Census Bureau's American Community Survey.

What time zone is 99111 in?

99111 is in Pacific Time.

What is the median household income in 99111?

The median household income in 99111 is $73,393.

What zip codes are near 99111?

The closest zip codes to 99111 are 99102, 99174, 99163, 99161, 99164.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 99111, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.