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 2 11.2 -0.5% 28.4x -0.1%
02 Humboldt County CA 1 11.2 -1.4% 20.0x -0.7%
03 Santa Barbara County CA 1 11.0 +0.2% 22.3x -0.1%
04 Mendocino County CA 4 10.9 -1.3% 26.0x -0.5%
05 San Francisco County CA 16 10.5 +8.7% 8.5x -0.7%
06 Los Angeles County CA 4 10.3 -1.4% 21.0x -0.4%
07 San Diego County CA 7 9.8 -0.7% 21.4x +0.2%
08 Monterey County CA 10 9.2 -0.5% 27.1x +0.4%
09 Orange County CA 26 8.7 +0.1% 21.6x +0.1%
10 Santa Cruz County CA 10 8.5 +1.0% 37.2x -0.4%
11 Contra Costa County CA 11 8.4 -0.8% 30.9x +0.3%
12 San Mateo County CA 1 8.2 +0.4% 13.1x -0.4%
13 Marin County CA 35 8.1 +1.1% 37.2x -0.3%
14 Sonoma County CA 4 7.9 -0.5% 26.2x -0.1%
15 San Luis Obispo County CA 10 7.9 -0.2% 29.5x +0.0%
16 Napa County CA 10 7.5 -0.7% 20.3x -0.9%
17 Gila County AZ 14 7.5 -0.2% 15.2x +0.3%
18 Carson City NV 3 7.3 -0.0% 11.2x +0.0%
19 Nevada County CA 6 7.3 -0.5% 28.0x +0.0%
20 Stanislaus County CA 9 7.2 -0.5% 19.3x +0.3%
21 Cochise County AZ 12 7.1 -1.0% 13.0x +0.1%
22 Tuolumne County CA 24 7.1 -0.1% 21.2x -0.7%
23 Douglas County OR 15 6.8 -0.3% 16.1x +0.2%
24 Washoe County NV 17 6.8 +0.1% 15.1x +1.1%
25 Riverside County CA 11 6.6 -0.8% 26.7x +1.2%
26 Lake County CA 9 6.5 -1.2% 22.2x +0.0%
27 Clallam County WA 6 6.5 -0.9% 23.1x +0.3%
28 Imperial County CA 71 6.5 +2.8% 14.6x +0.5%
29 El Dorado County CA 11 6.1 +0.5% 32.3x +0.2%
30 Deschutes County OR 7 6.1 -0.6% 20.7x +1.6%
31 Lincoln County OR 15 6.1 -0.2% 21.3x +0.7%
32 Monroe County FL 86 6.0 -0.0% 21.8x +0.0%
33 Fresno County CA 28 6.0 -0.2% 15.3x +0.5%
34 Madera County CA 55 6.0 +0.4% 18.8x +1.4%
35 Placer County CA 14 6.0 -0.3% 20.2x +1.6%
36 Santa Clara County CA 0 6.0 -0.5% 12.0x -0.1%
37 Solano County CA 19 5.9 -0.9% 26.4x +0.2%
38 Mohave County AZ 81 5.8 +0.0% 20.7x +1.4%
39 La Plata County CO 12 5.8 -0.7% 18.9x +0.4%
40 Boulder County CO 2 5.8 -0.9% 12.8x +0.2%
41 Lyon County NV 95 5.7 +0.7% 27.6x +1.7%
42 Shasta County CA 46 5.7 -0.0% 15.1x -0.1%
43 Tulare County CA 56 5.7 -0.1% 16.5x +0.6%
44 Larimer County CO 2 5.6 -1.0% 16.1x +1.1%
45 Jefferson County CO 3 5.6 -2.7% 17.9x -0.1%
46 Davis County UT 18 5.5 +0.1% 21.7x +1.1%
47 Coos County OR 26 5.5 +0.3% 17.2x -0.0%
48 Martin County FL 24 5.3 -0.8% 14.5x +1.1%
49 Whatcom County WA 12 5.3 -0.2% 20.7x +0.9%
50 Lee County FL 5 5.2 -2.7% 15.4x +3.1%