Maine: America's Most Forested State at 90% Tree Cover

Maine: America's Most Forested State at 90% Tree Cover

Maine holds a singular distinction: approximately 90% of its land area is forested—the highest percentage of any US state. That's 17.5 million acres of forest in a state of 19.8 million acres total.

By the Numbers

Ownership Pattern: Uniquely Private

• Private: 94% (16.4M acres) — highest private ownership % in US
• Family/individual: 35% (6M acres) — 85,000+ family woodland owners
• Corporate (TIMO/REIT): 59% — large-scale timber investment
• Public: 6% — State (Baxter State Park, public lands), Federal (White Mountain NF), Tribal

Forest Types

• Northern Hardwoods: Sugar maple, beech, yellow birch, red maple (35%)
• Spruce-Fir: Red spruce, balsam fir (25%) — boreal transition
• White/Red Pine: Historic, planted, naturally regenerating (15%)
• Oak-Pine: Southern/central Maine (10%)
• Aspen-Birch: Early successional, post-harvest (10%)
• Other: Cedar, tamarack, exotic plantations (5%)

Economic Engine

• Forest products industry: $8.5B annual contribution; 33,000+ jobs
• Products: Lumber, pulp/paper, biomass energy, pellets, specialty woods
• Christmas trees: #3 nationally; wreaths, greens
• Maple syrup: #3 nationally (600K+ gallons)
• Recreation tourism: Hunting, foliage, hiking, snowmobiling — $3B+

Ecological Significance

• Carbon sink: Sequesters ~25M metric tons CO₂/year
• Wildlife: Moose (60-70K), black bear (35K), lynx (threatened), marten, boreal birds
• Water quality: Forests filter 90% of Maine's drinking water
• Connectivity: Part of Northern Appalachian-Acadian forest corridor (internationally significant)

Challenges

• Development pressure: 10,000+ acres/year converted (sprawl, solar)
• Climate change: Spruce-fir retreat north; pests (spruce budworm, hemlock woolly adelgid)
• Parcelization: Large tracts subdivided → management fragmentation
• Market volatility: Pulp/paper decline; biomass uncertainty

Conservation Tools

• Conservation easements: 2M+ acres protected (largest in East)
• Tree Growth Tax Law: Current-use valuation for 10+ acre woodlots
• SFI/FSC certification: 7M+ acres certified sustainable
• Maine Forest Service: Technical assistance, regulation, education

Maine's 90% forest cover isn't accidental—it's the result of low population density, rocky soils unsuitable for agriculture, strong private stewardship traditions, and policies that keep forests as forests. It's a working landscape that still feels wild.