Seattle-Tacoma, WA CSA

Density Tier Breakdown

Density Tier	Pop	Area (mi²)
Extreme Urban (≥30k)	96,014	2.4
Dense Urban (15k-30k)	130,841	6.6
Urban (7.5k-15k)	599,361	60.8
Dense Suburban (4k-7.5k)	1,589,295	300.9
Suburban (2k-4k)	1,085,590	367.6
Rural (<2k)	1,452,320	11551.0

High-Density Cores (22)

Seattle Core Urban Core

604,009 people 55.61 mi² 146 tracts

Southwest Seattle Core Urban Core

76,341 people 8.62 mi² 16 tracts

Everett Core Urban Core

70,740 people 8.24 mi² 13 tracts

Bellevue Core Urban Core

63,733 people 10.12 mi² 13 tracts

New Tacoma (Tacoma) Urban Core

33,527 people 3.78 mi² 7 tracts

Renton Core Urban Core

21,155 people 2.83 mi² 5 tracts

Kent Core Urban Core

21,051 people 2.11 mi² 4 tracts

South End (Tacoma) Urban Core

16,939 people 2.08 mi² 4 tracts

Des Moines Core Urban Core

14,153 people 1.73 mi² 2 tracts

Federal Way Core Urban Core

12,421 people 1.54 mi² 2 tracts

South Federal Way Core Urban Core

9,299 people 0.79 mi² 2 tracts

Bremerton Core Urban Core

6,203 people 0.74 mi² 2 tracts

Auburn Core Urban Core

5,137 people 0.59 mi² 1 tracts

Bothell Core Urban Core

4,524 people 0.41 mi² 1 tracts

Auburn Core Urban Core

4,460 people 0.53 mi² 1 tracts

Kirkland Core Urban Core

4,071 people 0.39 mi² 1 tracts

Sammamish Core Urban Core

3,881 people 0.49 mi² 1 tracts

Marysville Core Urban Core

3,794 people 0.47 mi² 1 tracts

Echo Lake (Seattle) Urban Core

3,754 people 0.49 mi² 1 tracts

Edmonds Core Urban Core

3,567 people 0.4 mi² 1 tracts

North Everett Core Urban Core

3,108 people 0.41 mi² 1 tracts

Mount Vernon Core Urban Core

3,020 people 0.31 mi² 2 tracts

Layer Opacity

Census Tracts Fill 100%

Highways & Roads 70%

Transit Systems 70%

Roadway Networks

🛣️ Highways & Freeways

Interstates, US Highways, Expressways, and Highway Shields

?? Airports (Commercial & Private)

Major commercial and private/general aviation airports

Transit Systems

🚌 Bus Rapid Transit (BRT) 0 lines

Tulsa Aero BRT, Omaha ORBT, MCTS Connect, KC MAX, OKC Rapid

🚇 Metro & Light Rail 6 lines

St. Louis MetroLink (Red/Blue), Chicago 'L', Dallas DART Light Rail

🚋 Streetcars & Trolleys 3 lines

Delmar Loop Trolley, KC Streetcar, The Hop, Dallas Streetcar, OKC

🚆 Commuter & Regional Rail 2 lines

Metra Commuter Rail, Trinity Railway Express (TRE), Regional Rail

Transit Symbology & Colors:

Bus Rapid Transit (Cyan / Orange)

Metro & Light Rail (Red / Blue / Gold)

Streetcars & Trolleys (Purple / Amber)

Commuter & Passenger Rail (Dark Navy / Black)

Base Map Style

Muted Light Canvas (Recommended)

Clean grayscale background for high-contrast density visualization

OpenStreetMap Standard

Full street names, parks, water bodies, and neighborhood labels

Layers & Controls