Cost of living in Dayton, Washington

Dayton, Washington has about 2,774 people. That count is a 2020–2024 Census average, not a headcount from one day.

A typical home is worth about $243,600.

HUD's fair-market rent for a 2-bedroom in Columbia County is $1,190 a month. That is the county number, not an apartment listing in Dayton. It runs from October 2026 through September 2027.

Washington's prices sit at 107.0 when the U.S. average is 100. This place is not in a metro area with its own index, so this is the state number from BEA for 2024.

Washington does not tax wages. A typical combined sales tax is 9.5% as of January 1, 2026. That mix is statewide, not Dayton's exact store tax.

In July 2026, a typical Washington home paid 14.71¢ per kilowatt-hour. That is a state average from EIA, not Dayton's bill.

For the week of October 12, 2026, EIA's all-grades gasoline price in Washington was $5.478 a gallon. At 12,000 miles a year and 25 mpg, the index counts that as $2,629.44 a year. Those miles are our standard, not a Census figure, and every town in Washington shares this price.

Among 355 places we list in Washington with a rent figure, 324 have higher typical rent than Dayton.