Impervious Surfaces (Area-weighted) · all 15 Los Angeles districts · 2021–23
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Earlier releases not shown — comparable National Baseline Assessment of Urban and Community Forests historical data are unavailable. Current data: 2021–2023.
Citywide overview
All districts
Los Angeles citywide · Impervious Surfaces (Area-weighted)
56.2%
Trend
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Highest district
District 9: 87.5%
Lowest district
District 7: 38.6%
Note: Based on classified aerial imagery rather than a household survey.
Universe: Land area classified from high-resolution aerial imagery · Geography: Census Block Group · Source: USDA Forest Service, Arbor Day Foundation, and PlanIT Geo National Baseline Assessment of Urban and Community Forests, 2026 (2021–2023 imagery)