Portland-Lewiston-South Portland, ME CSA
Census Tract Density Analysis (2020 Census)
Progression (1990–2030)
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1990
2000
2010
2020
2025
2030
1990
2000
2010
2020
2025 Est.
2030 Est.
662,879
Total Population
2549.3
Land Area (sq mi)
Density Tier Breakdown
Density Tier
Pop
Area (mi²)
Extreme Urban (≥30k)
2,337
0.1
Dense Urban (15k-30k)
9,157
0.5
Urban (7.5k-15k)
23,026
2.5
Dense Suburban (4k-7.5k)
49,927
9.0
Suburban (2k-4k)
57,151
20.3
Rural (<2k)
521,281
2517.0
High-Density Cores (3)
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Portland Core
Urban Core
21,296
people
1.88 mi²
8 tracts
Lewiston Core
Urban Core
7,078
people
0.37 mi²
3 tracts
Biddeford Core
Urban Core
6,146
people
0.77 mi²
2 tracts
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Residents
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Jobs
⚡
Activity Density
⚙️ Layers & Controls
Layers & Controls
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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
0 lines
St. Louis MetroLink (Red/Blue), Chicago 'L', Dallas DART Light Rail
🚋 Streetcars & Trolleys
0 lines
Delmar Loop Trolley, KC Streetcar, The Hop, Dallas Streetcar, OKC
🚆 Commuter & Regional Rail
0 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