Potter Valley
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  Potter Valley Show map of California  Potter Valley Show map of the United States | |
| Coordinates: 39°19′20″N 123°06′47″W / 39.32222°N 123.11306°W / 39.32222; -123.11306 | |
| Country |  United States |
| State |  California |
| County | Mendocino |
| Area | |
| • Total | 4.055 sq mi (10.50 km2) |
| • Land | 4.027 sq mi (10.43 km2) |
| • Water | 0.028 sq mi (0.07 km2) 0.69% |
| Elevation | 948 ft (289 m) |
| Population
(2020)[3]
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| • Total | 665 |
| • Density | 160/sq mi (63/km2) |
| Time zone | UTC−8 (Pacific) |
| • Summer (DST) | UTC−7 (PDT) |
| ZIP code |
95469
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| Area code | 707 |
| FIPS code | 06-58506 |
| GNIS feature IDs | 265005;[2] 2628779[4] |
Potter Valley is a census-designated place[4]inMendocino County, California, United States.[2] It is located 18 miles (29 km) north-northeast of Ukiah,[5] at an elevation of 948 feet (289 m)[2] at the headwaters of the East Fork Russian River. The CDP population was 665 at the 2020 census.[3]
In 1852, when William and Thomas Potter and Mose Briggs first entered what would become known as Potter Valley, they were searching for the headwaters of the Russian River from their base in Sonoma County. The Pomo people called it Ba-lo Kai. They found three Pomo villages (each about 500 people strong), the Russian headwaters, and a lush valley with wild oats "stirrup high". Eventually the Potters returned to settle there, and the valley became known by the American ranchers' name.[6]
The post office opened in 1870.[5]
Painter Grace Hudson was born in Potter Valley in 1865.[7]
In addition to his famous Ridgewood Ranch, Charles S. Howard, owner of the racehorse Seabiscuit, owned a ranch in Potter Valley where he ran cattle.[8]
Potter Valley is located 18 miles (29 km) northeast of Ukiah and 8 miles (13 km) northeast of Lake Mendocino in Mendocino County, with the valley floor at roughly 950 feet (290 m) in elevation. The headwaters of the East Fork of the Russian River originate in the valley. The Potter Valley Project delivers additional water from the Eel River, which flows into the Russian River here via a controversial hydroelectric plant that tunnels through the mountains to take advantage of the relative proximity of these two waterways. This diversion supplies a significant amount of water to inland Mendocino and Sonoma counties. Potter Valley is a rich agricultural region, with excellent soils, planted mostly in irrigated pasture, wine grapes, and pears, but supporting a wide variety of farms and ranches.
According to the United States Census Bureau, the Potter Valley Census Designated Place (CDP) covers an area of 4.0 square miles (10 km2), 99.31% of it land, and 0.69% of it water.[1] The entire valley, which is mostly rural, has an area of roughly 12 square miles (31 km2).
Potter Valley has a hot-summer Mediterranean climate (Csa) typical of the interior of Northern California, with hot, dry summers and cool, wet winters, along with great diurnal temperature variation.
| Climate data for Potter Valley Powerhouse, California (1991–2020 normals, extremes 1937–present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 82 (28) |
87 (31) |
90 (32) |
95 (35) |
103 (39) |
110 (43) |
113 (45) |
116 (47) |
113 (45) |
103 (39) |
93 (34) |
83 (28) |
116 (47) |
| Mean maximum °F (°C) | 67.9 (19.9) |
73.3 (22.9) |
80.5 (26.9) |
86.5 (30.3) |
93.1 (33.9) |
100.8 (38.2) |
103.9 (39.9) |
102.9 (39.4) |
101.1 (38.4) |
91.6 (33.1) |
77.7 (25.4) |
65.8 (18.8) |
105.9 (41.1) |
| Mean daily maximum °F (°C) | 57.4 (14.1) |
61.4 (16.3) |
66.0 (18.9) |
70.7 (21.5) |
78.9 (26.1) |
87.0 (30.6) |
95.0 (35.0) |
94.1 (34.5) |
90.3 (32.4) |
78.9 (26.1) |
64.3 (17.9) |
56.0 (13.3) |
75.0 (23.9) |
| Daily mean °F (°C) | 46.1 (7.8) |
48.9 (9.4) |
52.4 (11.3) |
55.8 (13.2) |
62.0 (16.7) |
68.4 (20.2) |
74.7 (23.7) |
73.4 (23.0) |
69.5 (20.8) |
61.1 (16.2) |
51.2 (10.7) |
45.3 (7.4) |
59.1 (15.1) |
| Mean daily minimum °F (°C) | 34.9 (1.6) |
36.4 (2.4) |
38.9 (3.8) |
40.8 (4.9) |
45.1 (7.3) |
49.9 (9.9) |
54.4 (12.4) |
52.7 (11.5) |
48.7 (9.3) |
43.3 (6.3) |
38.2 (3.4) |
34.5 (1.4) |
43.2 (6.2) |
| Mean minimum °F (°C) | 24.0 (−4.4) |
25.8 (−3.4) |
28.7 (−1.8) |
31.2 (−0.4) |
36.0 (2.2) |
40.7 (4.8) |
47.2 (8.4) |
45.9 (7.7) |
40.5 (4.7) |
33.6 (0.9) |
25.9 (−3.4) |
22.8 (−5.1) |
20.9 (−6.2) |
| Record low °F (°C) | 14 (−10) |
15 (−9) |
20 (−7) |
22 (−6) |
28 (−2) |
32 (0) |
38 (3) |
39 (4) |
33 (1) |
21 (−6) |
19 (−7) |
12 (−11) |
12 (−11) |
| Average precipitation inches (mm) | 8.21 (209) |
7.72 (196) |
6.28 (160) |
3.36 (85) |
1.86 (47) |
0.54 (14) |
0.04 (1.0) |
0.05 (1.3) |
0.30 (7.6) |
1.86 (47) |
5.04 (128) |
9.77 (248) |
45.03 (1,143.9) |
| Average precipitation days (≥ 0.01 in) | 15.7 | 14.0 | 13.4 | 9.0 | 5.9 | 1.9 | 0.3 | 0.5 | 1.2 | 5.2 | 12.3 | 16.1 | 95.5 |
| Source: NOAA[9][10] | |||||||||||||
The 2010 United States Census[11] reported that the Potter Valley CDP had a population of 646. The population density was 159.2 inhabitants per square mile (61.5/km2). The racial makeup of Potter Valley was 516 (79.9%) White, 2 (0.3%) African American, 13 (2.0%) Native American, 2 (0.3%) Asian, 0 (0.0%) Pacific Islander, 97 (15.0%) from other races, and 16 (2.5%) from two or more races. HispanicorLatino of any race were 154 persons (23.8%).
The Census reported that 636 people (98.5% of the population) lived in households, 10 (1.5%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.
There were 241 households, out of which 73 (30.3%) had children under the age of 18 living in them, 125 (51.9%) were opposite-sex married couples living together, 20 (8.3%) had a female householder with no husband present, 16 (6.6%) had a male householder with no wife present. There were 20 (8.3%) unmarried opposite-sex partnerships, and 0 (0%) same-sex married couples or partnerships. 61 households (25.3%) were made up of individuals, and 22 (9.1%) had someone living alone who was 65 years of age or older. The average household size was 2.64. There were 161 families (66.8% of all households); the average family size was 3.19.
The population was spread out, with 142 people (22.0%) under the age of 18, 56 people (8.7%) aged 18 to 24, 156 people (24.1%) aged 25 to 44, 206 people (31.9%) aged 45 to 64, and 86 people (13.3%) who were 65 years of age or older. The median age was 41.6 years. For every 100 females, there were 105.1 males. For every 100 females age 18 and over, there were 101.6 males.
There were 267 housing units at an average density of 65.8 per square mile (25.4/km2), of which 152 (63.1%) were owner-occupied, and 89 (36.9%) were occupied by renters. The homeowner vacancy rate was 0%; the rental vacancy rate was 10.0%. 382 people (59.1% of the population) lived in owner-occupied housing units and 254 people (39.3%) lived in rental housing units.
In the state legislature, Potter Valley is in the 2nd Senate District, represented by Democrat Mike McGuire,[12] and the 2nd Assembly District, represented by Democrat Jim Wood.[13]
Federally, Potter Valley is in California's 2nd congressional district, represented by Democrat Jared Huffman.[14]
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Municipalities and communities of Mendocino County, California, United States
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| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
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