Cost of Living in SeaTac, WA
Cost indexes, living wages, and fair market rents — 2024 Data
Cost of Living Overview
Overall Index
146.3
100 = national avg
+46.3 vs national average
Living Wage (1 Adult)
$64,366
per year
Living Wage (Family of 4)
$152,138
per year
Cost Index by Category
Housing208.1
Food108.5
Transportation108.7
Healthcare106.8
Utilities126.7
100 = national average. Higher = more expensive.
Fair Market Rent
Source: HUD1 Bedroom
$2,146
per month
2 Bedroom
$2,501
per month
The overall cost of living index in SeaTac is 146.3, which is 46.3% above the national average. Housing costs are above the national average at an index of 208.1. A single adult needs to earn approximately $64,366 per year to cover basic expenses.