ZIP code
99111
Colfax, WA
99111 covers Colfax in Whitman County, with 4,049 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 99111. Methodology
ZIP code map of 99111
About ZIP code 99111
Acceptable cities: Diamond
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 99111. Not ACS. Methodology
People in 99111
Race
- White3,665
- Black or African American15
- American Indian or Alaska Native26
- Asian54
- Native Hawaiian and Pacific Islander3
- Other race36
- Two or more races230
Hispanic or Latino (any race): 128
Age
- Under 10396
- 10 to 19479
- 20 to 29401
- 30 to 39443
- 40 to 49502
- 50 to 59590
- 60 to 69519
- 70 to 79442
- 80 and older257
Income and housing in 99111
Education
- High school graduate92.6%
- Bachelor's degree29.6%
- Graduate degree10.4%
Places covering 99111
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Whitman County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
28.6% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 99111
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 3,907 | |
| 2006 | 3,720 | |
| 2007 | 3,982 | |
| 2008 | 3,779 | |
| 2009 | 3,797 | |
| 2010 | 3,786 | |
| 2011 | 4,300 | 3,737 |
| 2012 | 4,151 | 3,710 |
| 2013 | 4,095 | 3,760 |
| 2014 | 4,226 | 3,760 |
| 2015 | 4,137 | 3,700 |
| 2016 | 4,269 | 3,660 |
| 2017 | 4,312 | 3,600 |
| 2018 | 4,349 | 3,730 |
| 2019 | 4,234 | 3,650 |
| 2020 | 4,202 | 3,680 |
| 2021 | 4,057 | 3,580 |
| 2022 | 4,012 | 3,540 |
| 2023 | 4,049 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 99111
12 nearest ZIP centroids (any distance)
- 99102Albion10.5 miPop 448 · Income $55,750
- 99174Steptoe11.4 miPop 70 · Income $48,929
- 99163Pullman14.0 miPop 33,692 · Income $46,401
- 99161Palouse14.7 miPop 1,478 · Income $90,750
- 99125Endicott15.8 miPop 636 · Income $50,893
- 99165Pullman15.9 miPop 20 · Income —
- 99130Garfield16.0 miPop 847 · Income $63,750
- 99176Thornton16.4 miPop 132 · Income $81,250
- 99171Saint John19.3 miPop 991 · Income $61,500
- 99143Lacrosse19.8 miPop 603 · Income $35,385
- 99104Belmont20.7 miPop — · Income —
- 99158Oakesdale21.6 miPop 601 · Income $75,625
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 99111, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 99111 FAQ
- What city is ZIP code 99111 in?
- 99111 is in Colfax, WA.
- What county is 99111 in?
- 99111 is in Whitman County.
- What is the median household income in 99111?
- The median household income in 99111 is $66,333.
- Which ZIP codes are near 99111?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 99111.