Pioneer, California
Census-designated place in California, United States
From Wikipedia, the free encyclopedia
Pioneer is a census-designated place[4] in Amador County, California. It is located 5 miles (8 km) east-northeast of Pine Grove,[5] at an elevation of 2,986 ft (910 m) along State Route 88. The community is in ZIP code 95666 and area code 209. The population was 1,066 at the 2020 census.
Pioneer | |
|---|---|
| Coordinates: 38°25′55″N 120°34′19″W | |
| Country | |
| State | |
| County | Amador County |
| Area | |
• Total | 3.938 sq mi (10.200 km2) |
| • Land | 3.938 sq mi (10.200 km2) |
| • Water | 0 sq mi (0 km2) 0% |
| Elevation | 2,990 ft (910 m) |
| Population | |
• Total | 1,066 |
| • Density | 270.7/sq mi (104.5/km2) |
| ZIP code | 95666 |
| Area code | 209 |
| FIPS code | 06-57330 |
| GNIS feature IDs | 230751, 2583116 |
| U.S. Geological Survey Geographic Names Information System: Pioneer, California, U.S. Geological Survey Geographic Names Information System: Pioneer, California | |
Pioneer Station, built approximately 1925, is located in Pioneer; however, it was never a Pony Express stop, a popular fallacy. It was a general store selling gas, water, and offering camping sites.
A post office opened in Pioneer in 1947.[5]
Demographics
2020 census
As of the 2020 census, Pioneer had a population of 1,066. The population density was 270.7 inhabitants per square mile (104.5/km2). The median age was 56.8 years. 14.4% of residents were under the age of 18 and 33.3% were 65 years of age or older. The age distribution was 14.4% under the age of 18, 4.6% aged 18 to 24, 17.4% aged 25 to 44, 30.3% aged 45 to 64, and 33.3% aged 65 or older. For every 100 females, there were 105.0 males, and for every 100 females age 18 and over, there were 101.8 males age 18 and over.[8][9]
0.0% of residents lived in urban areas, while 100.0% lived in rural areas.[10]
There were 481 households, of which 16.0% had children under the age of 18 living in them. Of all households, 52.8% were married-couple households, 6.4% were cohabiting couple households, 18.9% had a female householder with no spouse or partner present, and 21.8% had a male householder with no spouse or partner present. 27.2% of households were one person, and 16.8% were one person aged 65 or older. The average household size was 2.22. There were 314 families (65.3% of all households).[8][11]
There were 598 housing units at an average density of 151.9 units per square mile (58.6 units/km2); 481 units (80.4%) were occupied and 117 (19.6%) were vacant. Of occupied units, 89.6% were owner-occupied and 10.4% were renter-occupied. The homeowner vacancy rate was 2.3% and the rental vacancy rate was 5.5%.[8][9]
| Race | Number | Percent |
|---|---|---|
| White | 895 | 84.0% |
| Black or African American | 3 | 0.3% |
| American Indian and Alaska Native | 8 | 0.8% |
| Asian | 5 | 0.5% |
| Native Hawaiian and Other Pacific Islander | 6 | 0.6% |
| Some other race | 27 | 2.5% |
| Two or more races | 122 | 11.4% |
| Hispanic or Latino (of any race) | 109 | 10.2% |
2010 census
Pioneer first appeared as a census designated place in the 2010 U.S. census.[7]
Points of interest

The scenery and environment around Pioneer includes a number of centuries-old tall pine trees and oak trees, as well as lakes for water sports and fishing.[citation needed]
- The Kirkwood Lake Tract
- Mace Meadow Golf Course — golf and restaurant
- Scenic Hwy 88 drive
- Outdoor Activities —
- Pioneer Park — tennis, basketball, baseball/softball, play structures, community center
- Pioneer Branch Library
- Mollie Joyce Park — baseball, disc golf course
- Tiger Creek, a popular swimming hole that takes advantage of small natural waterfalls and lies behind a PGE hydroelectric power generating plant.
Climate
Area has a Köppen Climate Classification of Csb, which is a dry-summer subtropical climate often referred to as "Mediterranean".[13]
| Climate data for Pioneer, California | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °F (°C) | 52 (11) |
56 (13) |
58 (14) |
64 (18) |
71 (22) |
79 (26) |
87 (31) |
87 (31) |
82 (28) |
73 (23) |
61 (16) |
53 (12) |
69 (21) |
| Mean daily minimum °F (°C) | 34 (1) |
35 (2) |
36 (2) |
40 (4) |
46 (8) |
53 (12) |
60 (16) |
59 (15) |
55 (13) |
48 (9) |
40 (4) |
35 (2) |
45 (7) |
| Average precipitation inches (mm) | 8.3 (210) |
6.7 (170) |
7 (180) |
3.9 (99) |
2 (51) |
0.8 (20) |
0.2 (5.1) |
0.3 (7.6) |
1 (25) |
2.5 (64) |
6 (150) |
6.8 (170) |
45.3 (1,150) |
| Source: Weatherbase [14] | |||||||||||||