Snohomish County, WA Population Statistics: Density Map Data

Analyze local population trends, population density map, housing costs, and the local economy.

Area Snapshot Statistics

Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.

A Healthier than 82% of counties in Washington
B Among the top 3 wealthiest counties in Washington
B Better educated than 79% of counties in Washington

Population: density and quick facts

Metric Snohomish County Washington Avg U.S. Average
Population 831,824 7,740,889 334,821,731
Population density (per sq mi) 379.0 108.5 85.8
Population growth (%/yr) 1.00% 1.20% 0.57%
Median age 36.6 36.2 37.1
Households 308,594 3,012,519 128,459,983

Population in Snohomish County grew by 19.2% from 2009 to 2023, reaching 825,803 in 2023.

Population Growth 2009–2023

Year Snohomish County

Race & Ethnicity

Group Share

Economy

Snohomish County has a the economy index of B, which means it is quite prosperous.

Metric Snohomish County Washington Avg U.S. Average
Median household income $108,625 $95,177 $78,145
Income growth (%/yr) 5.68% 6.00% 5.07%
Unemployment rate 4.3% 4.9% 5.2%

The median household income in Snohomish County is about 14% higher than in Washington.

Detailed wealth and income breakdown →

Housing

Metric Snohomish County Washington Avg U.S. Average
Median home price $515,481 $471,160 $242,182
Median rent $1,865 $1,681 $1,342
Homeownership rate 68.4% 63.9% 65.1%

The median home price in Snohomish County is about 23.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,865 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Snohomish County spend about 57 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 239 hours, about 10.0 full days, spent commuting.

Metric Snohomish County Washington Avg U.S. Average
One-way commute (min) 28.7 22.6 22.5
Round-trip commute (min) 57.4 45.2 44.9
Yearly time spent (hours) 239 188 187
Estimated yearly cost $7,414 $5,842 $5,803
Work from home 18.0% 17.7% 13.4%
Highway traffic (vehicles/day) 17,470 10,119 8,813
Local road traffic (vehicles/day) 2,492 1,525 1,355

Fastest commutes among counties in Washington: Columbia County (11.6 min), Walla Walla County (12.0 min), San Juan County (12.7 min).
Slowest: Mason County (32.4 min), Wahkiakum County (30.7 min), Snohomish County (28.7 min).

The average commute time in Snohomish County is 29 minutes, longer than the 23 minutes in Washington.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

Snohomish County has a education index of B, which means it is quite educated.

Metric Snohomish County Washington Avg U.S. Average
Bachelor's degree or higher 32.9% 35.1% 31.6%
Average household size 2.64 2.51 2.54

Highest education index among counties in Washington: King County (0.4), San Juan County (0.4), Jefferson County (0.4).
Lowest: Adams County (0.2), Yakima County (0.2), Grant County (0.2).

Health

Snohomish County has a health index of A, which means it is very healthy.

Metric Snohomish County Washington Avg U.S. Average
Life expectancy (years) 79.6 79.6 78.3
Self-rated poor health 12.3% 15.4% 16.3%
Smokers 14.4% 16.4% 19.0%

Highest health index among counties in Washington: King County (0.8), Whitman County (0.8), San Juan County (0.8).
Lowest: Adams County (0.8), Okanogan County (0.8), Pacific County (0.8).

Full health data →

Frequently Asked Questions

Common questions about Snohomish County, Washington.

What is the population of Snohomish County, Washington?

The population of Snohomish County, Washington is 831,824, compared to the U.S. total of 334,821,731.

What is the population density of Snohomish County, Washington?

The population density of Snohomish County, Washington is 379.0 people per square mile, compared to the U.S. average of 85.8 people per square mile.

What is the median household income in Snohomish County, Washington?

The median household income in Snohomish County, Washington is $108,625, compared to the U.S. median of $78,145.

What is the median home price in Snohomish County, Washington?

The median home price in Snohomish County, Washington is $515,481, compared to the U.S. median of $242,182.

What is the unemployment rate in Snohomish County, Washington?

The unemployment rate in Snohomish County, Washington is 4.3%, compared to the U.S. average of 5.2%.