1st Advantage MortgageThe median Columbia County household earns $71,810, and 9% of residents live below the poverty line. Your income, debts and credit decide what you qualify for. Get offers in writing, compare the total repaid, and never pay a fee up front.
On this page
- Columbia County by the numbers
- Income in Columbia County compared with Washington
- Columbia County housing compared with Washington
- Jobs and commutes in Columbia County
- Regional comparison for Columbia County
- The communities that make up Columbia County
- More Columbia County figures
- What the numbers mean for Columbia County borrowers
- Room for a loan payment in Columbia County
- Checklist for Columbia County applicants
- Checking a lender's license in Washington
- Related local guides
- Frequently asked questions
Columbia County by the numbers
With an estimated 4,014 residents (ACS 2020 to 2024), Columbia County ranks 38th of 39 in Washington for population. It covers 869 square miles of land, or about 5 people per square mile. Under the July 2023 OMB definitions, Columbia County is not part of any metropolitan area. The Census Bureau counts 2 places in the county (2 incorporated, 0 census-designated); the largest is Dayton, with about 2,774 residents, or 69% of the county. Small populations mean wide margins of error, so read every Columbia County figure on this page as a rough guide.
Income in Columbia County compared with Washington
The median household income in Columbia County is $71,810; statewide it is $98,141, so Columbia County runs 27% below Washington as a whole.
| Income band | Share in Columbia County | Difference from Washington |
|---|---|---|
| Under $35,000 | 23.5% | +7.4 pts |
| $35,000 to $99,999 | 41.4% | +6.6 pts |
| $100,000 to $199,999 | 29.8% | -0.9 pts |
| $200,000 or more | 5.4% | -13.1 pts |
The spread is wide: 35% of Columbia County households make $100,000 or more, and 24% make less than $35,000. Census counts 9.3% of Columbia County residents in poverty, against 9.9% across Washington. The Gini index of income inequality is 0.432 (0 is perfect equality). If your income is irregular, as it often is with tips, gig work or seasonal jobs, plan around your leaner months rather than the Columbia County median.
Columbia County housing compared with Washington
Median gross rent, utilities included, comes to $985 in Columbia County versus $1,760 statewide. By the Census definition, 46% of Columbia County renters are cost-burdened. The median owner-occupied home is valued at $271,200, about 3.8 times the median household income. Owners occupy 78% of homes. Median construction year: 1953.
| Measure | Columbia County | Washington | Median U.S. county |
|---|---|---|---|
| Median gross rent | $985/mo | $1,760/mo | $877/mo |
| Median home value | $271,200 | $564,600 | $185,300 |
| Owners | 78% | 64% | 75% |
| Rent-burdened renters | 46% | 50% | 45% |
| Burdened owners | 23% | 30% | n/a |
| Vacant units | 16% | 7% | n/a |
Because most Columbia County households own, home repairs are a frequent reason to borrow. An unsecured personal loan leaves the house out of the deal, while a HELOC uses it as collateral.
Jobs and commutes in Columbia County
By the Census industry count, 25% of employed Columbia County residents work in education and health care and 15% in agriculture, forestry and mining. Agriculture, forestry and mining stands out: 15% of workers here, versus 2% statewide. The survey's unemployment rate for Columbia County averages 3.9% over 2020 to 2024 (state: 5.1%). Long commutes are common here: 22% of workers spend 45 minutes or longer getting to work. Households without a car make up 6.3% of the total (7.1% statewide).
| Top industries | Columbia County share | +/- vs Washington |
|---|---|---|
| Education and health care | 25.2% | +3.4 pts |
| Agriculture, forestry and mining | 15.0% | +12.6 pts |
| Retail trade | 12.6% | +1.0 pts |
| Public administration | 11.7% | +6.7 pts |
| Professional and administrative services | 7.9% | -6.7 pts |
| Manufacturing | 7.8% | -1.2 pts |
Industry shapes paperwork. Salaried and public jobs are easy to verify, while hourly, tipped, commission or contract earners in Columbia County should have bank statements and tax returns ready.
Regional comparison for Columbia County
Garfield County is closest, 20 miles from center to center; the sixth, Nez Perce County, is 55 miles off. Income ranges from $55,406 in Whitman County to $86,714 in Franklin County; 4 of these neighbors top Columbia County's median. The list crosses into Idaho, where different lending rules and regulators apply.
| Adjacent area | How far | HH income (median) | Rent (median) | Owner share |
|---|---|---|---|---|
| Columbia County | - | $71,810 | $985/mo | 78% |
| Garfield County, WA | 20 mi | $64,884 | $791/mo | 77% |
| Walla Walla County, WA | 27 mi | $74,202 | $1,218/mo | 65% |
| Asotin County, WA | 34 mi | $72,283 | $1,043/mo | 73% |
| Whitman County, WA | 46 mi | $55,406 | $1,049/mo | 47% |
| Franklin County, WA | 50 mi | $86,714 | $1,198/mo | 71% |
| Nez Perce County, ID | 55 mi | $72,599 | $1,015/mo | 70% |
The communities that make up Columbia County
Here are the 2 most populous of the county's 2 Census places, with income and rent from the same 2020 to 2024 survey. About 71% of Columbia County residents live in one of the 2. Live in one of these Columbia County communities, or between them? This is your local guide.
| Place | Type | Population | Median income | Median rent | From county center |
|---|---|---|---|---|---|
| Dayton | city | 2,774 | $70,625 | $973 | 4 mi |
| Starbuck | town | 93 | $61,250 | n/a | 19 mi |
More Columbia County figures
College graduates make up 25% of the adult population. 7.8% of residents have no health coverage.
| People and households | Columbia County | Washington | Median county |
|---|---|---|---|
| Median age | 49.6 | 38.3 | 41.5 |
| Bachelor's or higher | 24.9% | 39.6% | 22.2% |
| No high school diploma | 10.3% | 7.7% | n/a |
| No health insurance | 7.8% | 6.3% | 7.8% |
| No vehicle | 6.3% | 7.1% | 5.4% |
| Work from home | 11.9% | 19.8% | 8.7% |
| Poverty rate | 9.3% | 9.9% | 13.2% |
| Unemployment (ACS) | 3.9% | 5.1% | 4.4% |
| Minutes to work | Columbia County workers |
|---|---|
| Under 15 min | 51.4% |
| 15 to 29 min | 11.2% |
| 30 to 44 min | 15.1% |
| 45 to 59 min | 13.9% |
| 60+ min | 8.4% |
What the numbers mean for Columbia County borrowers
The county's numbers point to a few situations that come up often for Columbia County borrowers.
- Vehicle repairs. 22% of Columbia County workers commute 45+ minutes, so a breakdown can cost a paycheck. Get two written estimates.
- Retirees. At a median age of 49.6, many borrowers here rely on award letters as proof of income; favor no prepayment penalty.
- 46% rent-burdened. A payment on top of high rent needs a cushion; size it with the calculator.
Room for a loan payment in Columbia County
The debt-to-income ratio is the main affordability test lenders use. Applied to Columbia County's medians:
- $5,984 a month: gross income for a household at the Columbia County median
- Less median rent of $985, which is 16% of it
- 36% debt-to-income limit: $1,169 left for all other debt payments
- At 43%, room after rent is $1,588 a month
Lenders set their own limits and look beyond the ratio. The DTI calculator uses your figures instead of Columbia County's.
Checklist for Columbia County applicants
A short checklist for Columbia County borrowers:
- Borrow the amount the job needs; extra cash adds interest.
- Shop at least three lenders, including one Columbia County-area credit union.
- Look the lender up with the state regulator first.
- Keep a small cushion so one surprise bill does not mean another loan.
Checking a lender's license in Washington
Licensing happens at the state level, so a lender working with Columbia County borrowers answers to the Washington State Department of Financial Institutions. Federal complaints: consumerfinance.gov. The Washington guide covers state rules in more detail.
Related local guides
For statewide rules and data, see the Washington guide.
Frequently asked questions
What does a typical Columbia County household make?
About $71,810 a year at the median (ACS 2020-24), 27% below the Washington median.
What do renters pay in Columbia County?
$985 a month at the median, about 16% of median household income.
Should Columbia County homeowners use home equity instead?
Maybe, but weigh the risk: 78% of Columbia County homes are owner-occupied, and a home-equity loan or line is secured by the house while a personal loan usually is not.
Which towns does the Columbia County guide cover?
Every community in the county, unincorporated areas included. The largest of its 2 Census places: Dayton, Starbuck.
Is the fit check different in Columbia County?
No. It is identical everywhere, and it never looks at your neighborhood.