King County
Large central metro
FIPS 53033
Profiled Cities (3)
People
2.34M
Population
Census 2025 Est.1108.4/sq mi
Density
Census 2025 Est.3.1%
Growth 2020–25
Census 2020–2025$125K
Median HH Income
ACS 2024 5-yr37.4
Median Age
ACS 2024 5-yr93.8%
Bachelor's+
ACS 2024 5-yr8.6%
Poverty Rate
SAIPE 20245.2%
Uninsured
ACS 2024 5-yr55.4%
Owner-Occupied
ACS 2024 5-yr10.3%
Disability
ACS 2024 5-yr11.0%
Hispanic
ACS 2024 5-yr52.9%
Non-Hisp. White
ACS 2024 5-yr6.4%
Non-Hisp. Black
ACS 2024 5-yrMigration
IRS Statistics of Income county migration. Measures tax filer movement, not Census population counts.
94.1K
Inflow (people)
IRS SOI 2022–23109.1K
Outflow (people)
IRS SOI 2022–23-14,936
Net Migration
IRS SOI 2022–23Economy
4.1%
Unemployment
BLS LAUS 20251.37M
Labor Force
BLS LAUS 2025$129K
Per Capita Income
BEA 2024$477.2B
County GDP
BEA 202470.4K
Business Establishments
CBP 20231.31M
Employees
CBP 2023$143.7B
Annual Payroll
CBP 2023Housing
$860K
Median Home Value
ACS 2024 5-yr$2K
Median Gross Rent
ACS 2024 5-yr125.2K
Owner HH w/ Housing Problems
ACS 2024 5-yr189.5K
Renter HH w/ Housing Problems
ACS 2024 5-yrYes
Housing Stress (USDA)
ACS 2024 5-yrHealth
38th pctile
Social Vulnerability
CDC SVI 202222.4%
Adult Obesity
CDC PLACES 20257.2%
Diabetes
CDC PLACES 202514.7%
Poor Mental Health
CDC PLACES 20257.1%
Current Smoking
CDC PLACES 2025117.9/100K
Primary Care Physicians
HRSA AHRF 2024–252.0/1K
Hospital Beds
HRSA AHRF 2024–25531.9/1K bene
Medicare ER Visits
CMS 2023Environment & Risk
99.7
FEMA Risk Score
FEMA NRI Dec 2025Very High
Risk Rating
FEMA NRI Dec 2025Very High
Resilience Rating
FEMA NRI Dec 2025$1.7B
Expected Annual Loss
FEMA NRI Dec 20259.10
PM2.5 (EPA EJScreen)
EPA EJScreen 20240.43
Diesel PM
EPA EJScreen 20241.1%
EJ Demographic Index
EPA EJScreen 2024Broadband & Food Access
1.0%
Fixed Broadband 100/20 Mbps
FCC 20241.0%
Mobile 5G Coverage
FCC 202416.7%
Low Food Access (pop)
USDA FEA 20190.6%
No-Car Low Food Access (HH)
USDA FEA 2019Land & Climate
2115.7 sq mi
Land Area
TIGER 202447.9°F
Avg Temp (1991–2020)
NOAA 1991–202055.6°F
Avg Max Temp
NOAA 1991–202040.3°F
Avg Min Temp
NOAA 1991–202075.4"
Annual Precip
NOAA 1991–2020County Character
Metro - Counties in metro areas of 1 million population or more
Rural-Urban Class (RUCC)
TIGER 2024Large central metro
NCHS Urban-Rural Class
TIGER 2024Not industry-dependent
Industry Dependence (USDA)
TIGER 2024None
Typology Flags
TIGER 2024