Ranked by USDA Natural Amenities Scale · Data updated April 2026

Best Climate & Terrain

Counties with the best climate and terrain based on the USDA Natural Amenities Scale — measuring temperature mildness, sunshine, low humidity, topographic variation, and water area.

Best Climate & Terrain

California's Coastal Crown Jewels Dominate

It's no shock to see California counties filling the top ranks for natural amenities. The state's unique geography, from the rugged Pacific coastline to the diverse microclimates and mountainous backdrops, offers an unparalleled blend of natural beauty. Counties like Ventura and Santa Barbara benefit from Mediterranean climates, stunning ocean views, and access to both beaches and foothills, making them perennial favorites for those prioritizing outdoor living.

Arizona's Desert Oasis Breaks the Mold

Amidst the coastal dominance, Gila County, Arizona, stands out as a surprising entry at #17. While not boasting ocean access, its appeal lies in its dramatic desert landscapes, high-desert forests, and the tranquil waters of Roosevelt Lake. This ranking highlights that "natural amenities" extend beyond beaches, encompassing the unique beauty of arid mountains, canyons, and unexpected oases that provide a distinct quality of physical environment.

San Francisco's Urban Paradox

San Francisco County, at #5, presents an interesting paradox. While undeniably beautiful with its iconic bay views, rolling hills, and proximity to the Pacific, its dense urban environment means that direct access to expansive natural features is often limited to parks and distant escapes. The ranking likely captures the broader regional beauty and climate, but for daily natural immersion, it might not offer the same experience as its less populated coastal counterparts.

# County BTI Score Climate 1yr Forecast HV Ratio Pop Growth
01 Ventura County CA 8 11.2 +1.8% 28.4x -0.1%
02 Humboldt County CA 1 11.2 -1.1% 20.0x -0.7%
03 Santa Barbara County CA 5 11.0 +2.6% 22.3x -0.1%
04 Mendocino County CA 10 10.9 +1.2% 26.0x -0.5%
05 San Francisco County CA 1 10.5 +10.3% 8.5x -0.7%
06 Los Angeles County CA 4 10.3 +1.3% 21.0x -0.4%
07 San Diego County CA 55 9.8 +2.6% 21.4x +0.2%
08 Monterey County CA 81 9.2 +4.1% 27.1x +0.4%
09 Orange County CA 64 8.7 +3.4% 21.6x +0.1%
10 Santa Cruz County CA 72 8.5 +3.4% 37.2x -0.4%
11 Contra Costa County CA 82 8.4 +0.7% 30.9x +0.3%
12 San Mateo County CA 9 8.2 +3.8% 13.1x -0.4%
13 Marin County CA 98 8.1 +4.9% 37.2x -0.3%
14 Sonoma County CA 56 7.9 +2.3% 26.2x -0.1%
15 San Luis Obispo County CA 58 7.9 +3.0% 29.5x +0.0%
16 Napa County CA 44 7.5 -0.3% 20.3x -0.9%
17 Gila County AZ 85 7.5 +2.9% 15.2x +0.3%
18 Carson City NV 7 7.3 +4.2% 11.2x +0.0%
19 Nevada County CA 76 7.3 +3.4% 28.0x +0.0%
20 Stanislaus County CA 30 7.2 +2.7% 19.3x +0.3%
21 Cochise County AZ 78 7.1 +1.8% 13.0x +0.1%
22 Tuolumne County CA 48 7.1 +2.9% 21.2x -0.7%
23 Douglas County OR 86 6.8 +5.0% 16.1x +0.2%
24 Washoe County NV 92 6.8 +4.5% 15.1x +1.1%
25 Riverside County CA 65 6.6 +2.5% 26.7x +1.2%
26 Lake County CA 44 6.5 +3.7% 22.2x +0.0%
27 Clallam County WA 15 6.5 +0.1% 23.1x +0.3%
28 Imperial County CA 94 6.5 +6.7% 14.6x +0.5%
29 El Dorado County CA 84 6.1 +3.6% 32.3x +0.2%
30 Deschutes County OR 37 6.1 +0.3% 20.7x +1.6%
31 Lincoln County OR 76 6.1 +3.3% 21.3x +0.7%
32 Monroe County FL 98 6.0 +2.9% 21.8x +0.0%
33 Fresno County CA 88 6.0 +3.8% 15.3x +0.5%
34 Madera County CA 88 6.0 +4.4% 18.8x +1.4%
35 Placer County CA 88 6.0 +3.2% 20.2x +1.6%
36 Santa Clara County CA 10 6.0 +1.8% 12.0x -0.1%
37 Solano County CA 75 5.9 +1.1% 26.4x +0.2%
38 Mohave County AZ 92 5.8 +3.5% 20.7x +1.4%
39 La Plata County CO 95 5.8 +4.3% 18.9x +0.4%
40 Boulder County CO 58 5.8 -0.8% 12.8x +0.2%
41 Lyon County NV 97 5.7 +5.1% 27.6x +1.7%
42 Shasta County CA 80 5.7 +3.2% 15.1x -0.1%
43 Tulare County CA 96 5.7 +3.9% 16.5x +0.6%
44 Larimer County CO 35 5.6 +1.0% 16.1x +1.1%
45 Jefferson County CO 37 5.6 -1.0% 17.9x -0.1%
46 Davis County UT 43 5.5 +1.1% 21.7x +1.1%
47 Coos County OR 77 5.5 +3.6% 17.2x -0.0%
48 Martin County FL 99 5.3 +2.0% 14.5x +1.1%
49 Whatcom County WA 23 5.3 +2.0% 20.7x +0.9%
50 Lee County FL 87 5.2 -1.7% 15.4x +3.1%