Colfax, WA · standard
ZIP Code 99111
Whitman County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 4,047
- 5/sq mi Low-density area
- $73,393
- Median income Near-median income area
- $295,800
- Median home value Near-median home value
- 30.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Colfax pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.
- Top 48%
- household income, US ZIPs
- Top 34%
- home value, US ZIPs
- 5
- people per sq mi
- 73%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99111 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 99111 (Colfax, WA) fell -6.5% from 2023 to 2024. The all-transactions index moved from 272.1 in 2023 to 254.3 in 2024 (2000 = 100).
ZIP code 99111 covers 749.4 square miles in Colfax, Whitman County, Washington (a standard USPS delivery area), with a modest 4,047 residents on file, a density of 5 people per square mile, in the Los Angeles time zone.
ZIP 99111 lands in the middle-income range, with a median household income of $73,393 (19% below the average Washington ZIP), while per-capita income is $37,809. The poverty rate is 10.1%, with unemployment at 2.7%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $295,800 (42% below the average Washington ZIP), and median rent is $953; owner occupancy is 72.9%.
A solid share of residents have a four-year degree: 30.5% of adults hold a bachelor's degree or higher, the median age is 41.8, and the average commute is 18 minutes. No nearby ZIP peer set is available for this delivery area, so the Washington and national benchmarks above are the appropriate context for 99111.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 99111
Top 5 sectors by establishment count in Colfax, WA
Which industries have the most business establishments in ZIP 99111.
- Construction
Construction
21 establishments
- Retail trade
Retail trade
17 establishments
- Other services (except public administration)
Other services (except public administration)
15 establishments
- Health care and social assistance
Health care and social assistance
14 establishments
- Wholesale trade
Wholesale trade
12 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 99111, Colfax, WA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
4,047
Population
749.4
Area (sq mi)
5
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 99111?
41.8
Median Age
47.5%
Male
52.5%
Female
1.9%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$73,393
Median Household Income
-19% vs state ZIP avg
$37,809
Per Capita Income
10.1%
Poverty Rate
2.7%
Unemployment Rate
17.8 min
Mean Commute Time
How ZIP 99111 ranks among Washington ZIPs
Colfax, WA household income vs. every Washington ZIP code
Median household income among 547 reporting Washington ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$73,393 34th percentile higher than 34% of 547 Washington ZIPs
Each bar is a $20K-wide band; taller bars hold more Washington ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,932housing units
1,932
Total Housing Units
1,714
Occupied Units
218
Vacant Units
2.32
Avg Household Size
Occupancy Type
$295,800
Median Home Value
-42% vs state ZIP avg
$953
Median Rent
1955
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
-6.5%
YoY Change (2024)
254
HPI Index (2000 = 100)
+154%
Total Change Since 2000
Home values in ZIP 99111 have decreased 6.5% over the past year (2024). Since 2000, this ZIP has seen +154% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +13.7% | 193 |
| 2021 | +14.6% | 221 |
| 2022 | +11.8% | 248 |
| 2023 | +9.9% | 272 |
| 2024 | -6.5% | 254 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 134 business establishments in ZIP 99111, employing approximately 1,348 people with a combined annual payroll of $82,995,000.
134
Businesses
1,348
Employees
$83.0M
Annual Payroll
13
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 21 | 15.7% |
| Retail trade | 17 | 12.7% |
| Other services (except public administration) | 15 | 11.2% |
| Health care and social assistance | 14 | 10.4% |
| Wholesale trade | 12 | 9.0% |
| Finance and insurance | 10 | 7.5% |
| Accommodation and food services | 10 | 7.5% |
| Transportation and warehousing | 7 | 5.2% |
| Professional, scientific, and technical services | 7 | 5.2% |
| Real estate and rental and leasing | 5 | 3.7% |
| Agriculture, forestry, fishing and hunting | 4 | 3.0% |
| Administrative and support and waste management and remediation services | 4 | 3.0% |
| Manufacturing | 3 | 2.2% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 99111, both outside WA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (4,047 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Whitman County
Related Areas
Frequently Asked Questions
What county is ZIP code 99111 in?
ZIP code 99111 (Colfax) is located in Whitman County, Washington. Whitman County contains multiple ZIP codes, see the full list at /counties/whitman-wa.
What is the population of ZIP code 99111?
ZIP code 99111 in Colfax, WA has a population of 4,047 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 99111?
The median household income in ZIP 99111 is $73,393, which is 4% below the national average of $76,288.
What is the average home value in ZIP 99111?
The median home value in ZIP 99111 is $295,800, which is 6% above the national average of $278,155.
What is the demographic makeup of ZIP 99111?
The largest racial group in ZIP 99111 is White at 85.5%. Hispanic or Latino residents make up 10.7% of the population.
How many businesses are in ZIP code 99111?
ZIP code 99111 has 134 business establishments employing approximately 1,348 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 99111?
The top industries by establishment count in ZIP 99111 are: Construction (21), Retail trade (17), Other services (except public administration) (15). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 99111?
According to the FHFA House Price Index, home values in ZIP 99111 decreased by 6.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 154%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 99111?
In ZIP code 99111, 52.5% of residents aged 25+ have a high school diploma or higher, and 30.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 99111?
The mean commute time for workers in ZIP code 99111 is 17.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 99111?
In ZIP code 99111, approximately 72.9% of occupied housing units are owner-occupied and 27.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 99111?
The poverty rate in ZIP code 99111 is 10.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
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What to do with ZIP 99111's numbers, next.
- See how ZIP 99111 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Colfax, WA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.