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 5 11.2 -0.4% 28.4x -0.1%
02 Humboldt County CA 2 11.2 -2.7% 20.0x -0.7%
03 Santa Barbara County CA 1 11.0 +0.5% 22.3x -0.1%
04 Mendocino County CA 7 10.9 -2.1% 26.1x -0.5%
05 San Francisco County CA 7 10.5 +11.4% 8.5x -0.7%
06 Los Angeles County CA 9 10.3 -0.1% 21.0x -0.4%
07 San Diego County CA 9 9.8 +0.7% 21.4x +0.2%
08 Monterey County CA 35 9.2 +1.4% 27.1x +0.4%
09 Orange County CA 34 8.7 +1.5% 21.6x +0.1%
10 Santa Cruz County CA 81 8.5 +1.3% 37.2x -0.4%
11 Contra Costa County CA 46 8.4 -0.4% 30.9x +0.3%
12 San Mateo County CA 15 8.2 +2.4% 13.1x -0.4%
13 Marin County CA 88 8.1 +1.8% 37.2x -0.3%
14 Sonoma County CA 26 7.9 -0.0% 26.2x -0.1%
15 San Luis Obispo County CA 14 7.9 +1.2% 29.6x +0.0%
16 Napa County CA 7 7.5 -1.6% 20.3x -0.9%
17 Gila County AZ 64 7.5 +0.4% 15.8x +0.3%
18 Carson City NV 27 7.3 +1.6% 11.2x +0.0%
19 Nevada County CA 50 7.3 +0.4% 28.0x +0.0%
20 Stanislaus County CA 12 7.2 -0.1% 19.3x +0.3%
21 Cochise County AZ 14 7.1 -0.5% 13.0x +0.1%
22 Tuolumne County CA 15 7.1 -1.2% 21.2x -0.7%
23 Douglas County OR 14 6.8 -0.2% 16.1x +0.2%
24 Washoe County NV 90 6.8 +1.9% 15.1x +1.1%
25 Riverside County CA 40 6.6 -0.2% 26.7x +1.2%
26 Lake County CA 24 6.5 -0.8% 22.2x +0.0%
27 Clallam County WA 8 6.5 +0.2% 23.1x +0.3%
28 Imperial County CA 87 6.5 +2.6% 14.6x +0.5%
29 El Dorado County CA 81 6.1 +0.4% 32.3x +0.2%
30 Deschutes County OR 51 6.1 -0.2% 20.6x +1.6%
31 Lincoln County OR 41 6.1 +0.7% 21.2x +0.7%
32 Monroe County FL 93 6.0 +0.2% 21.7x +0.0%
33 Fresno County CA 42 6.0 -0.2% 15.3x +0.5%
34 Placer County CA 72 6.0 +0.4% 20.2x +1.6%
35 Madera County CA 58 6.0 +0.5% 18.8x +1.4%
36 Santa Clara County CA 4 6.0 +1.4% 12.0x -0.1%
37 Solano County CA 56 5.9 -0.3% 26.4x +0.2%
38 Mohave County AZ 53 5.8 -0.8% 20.7x +1.4%
39 La Plata County CO 90 5.8 +1.9% 18.9x +0.4%
40 Boulder County CO 23 5.8 -0.6% 12.8x +0.2%
41 Lyon County NV 99 5.7 +1.3% 27.6x +1.7%
42 Shasta County CA 69 5.7 +0.0% 15.2x -0.1%
43 Tulare County CA 64 5.7 +1.5% 16.5x +0.6%
44 Larimer County CO 60 5.6 -0.1% 16.1x +1.1%
45 Jefferson County CO 19 5.6 -1.5% 17.9x -0.1%
46 Davis County UT 75 5.5 +1.2% 21.7x +1.1%
47 Coos County OR 29 5.5 -0.5% 17.2x -0.0%
48 Martin County FL 99 5.3 -0.0% 14.5x +1.1%
49 Whatcom County WA 11 5.3 -0.3% 20.8x +0.9%
50 Lee County FL 5 5.2 -3.3% 15.4x +3.1%
50
Counties ranked
Cite this ranking

BoomTownIndex, “Best Climate & Terrain.” Data: April 2026. https://boomtownindex.com/rankings/best-natural-amenities/

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