Orinda, California

Last updated
City of Orinda
Orinda (7866755256) (cropped).jpg
Downtown Orinda
Contra Costa County California Incorporated and Unincorporated areas Orinda Highlighted.svg
Location in Contra Costa County and the state of California
Usa edcp relief location map.png
Red pog.svg
City of Orinda
Location in the United States
Coordinates: 37°52′58″N122°10′47″W / 37.88278°N 122.17972°W / 37.88278; -122.17972 Coordinates: 37°52′58″N122°10′47″W / 37.88278°N 122.17972°W / 37.88278; -122.17972
Country United States
State California
County Contra Costa
Incorporated July 1, 1985 [1]
Government
   Mayor Dennis Fay [2]
   State Senator Steve Glazer (D) [3]
   State Assembly Rebecca Bauer-Kahan (D) [4]
   U. S. Congress Mark DeSaulnier (D) [5]
Area
[6]
  Total12.87 sq mi (33.33 km2)
  Land12.85 sq mi (33.29 km2)
  Water0.02 sq mi (0.04 km2)  0.12%
Elevation
495 ft (151 m)
Population
 (2020)
  Total19,514
  Density1,500/sq mi (590/km2)
Time zone UTC−8 (PST)
  Summer (DST) UTC−7 (PDT)
ZIP Code
94563
Area code 925
FIPS code 06-54232
GNIS feature IDs 1659313, 2411334
Website www.cityoforinda.org

Orinda is a city in Contra Costa County, California, United States. The city's population as of the 2020 census is estimated at 19,514 residents. [7]

Contents

History

The Moraga Adobe, built in 1841 by Californio ranchero and soldier Joaquin Moraga on his Rancho Laguna de los Palos Colorados. Historic American Buildings Survey Taken- January 14, 1922 - Jose Joaquin Moraga Adobe, Moraga, Contra Costa County, CA HABS CAL,7-MORAG,1-1 (cropped).tif
The Moraga Adobe, built in 1841 by Californio ranchero and soldier Joaquín Moraga on his Rancho Laguna de los Palos Colorados.

Orinda is located within four Mexican land grants: Rancho Laguna de los Palos Colorados, Rancho Acalanes, Rancho El Sobrante and Rancho Boca de la Cañada del Pinole. The area was originally rural, mainly known for ranching and summer cabins. The Moraga Adobe was built in 1841, and is the oldest building in the East Bay. In the late 19th century, the land was named by Alice Marsh Cameron, probably in honor of the poet Katherine Philips, who was also known as the "Matchless Orinda". [8]

In the 1880s, United States Surveyor General for California Theodore Wagner built an estate he named Orinda Park. [9] The Orinda Park post office opened in 1888. [9] The post office's name was changed to Orinda in 1895. [9] Orinda was also the site of Bryant Station, a stop on the failed California and Nevada Railroad around the turn of the 20th century. Later, the area around Bryant Station was known as Orinda Crossroads. [9]

Orinda's popularity as a year-round residence grew after the 1937 completion of the Caldecott Tunnel, which provided easier access to the west. Bisected by California State Route 24 and framed by its rolling oak-covered hills, the city of Orinda was incorporated on July 1, 1985. Its first mayor was Richard G. Heggie. The city is served by Orinda station on the Bay Area Rapid Transit (BART) Antioch–SFO+Millbrae line.

Geography

Aerial view of Briones Reservoir. Aerial view of Briones Reservoir in California.jpg
Aerial view of Briones Reservoir.

According to the United States Census Bureau, the city has a total area of 12.7 sq mi (33 km2), of which 12.7 sq mi (33 km2) of it is land and 0.015 sq mi (0.039 km2) of it (0.12%) is water.

Climate

The area is characterized by a warm-summer Mediterranean climate (Köppen climate classification Csb) with cool, rainy winters and warm, dry summers. Because Orinda is located in a hilly area, microclimates often dominate temperature differences in short distances. The Oakland Hills often block the cool foggy conditions that can be seen in Oakland and the innerbay. In the summer, fog can spill over the Oakland hills, cooling off the area. Heatwaves from the inland areas can be felt much more in Orinda than in Oakland and the innerbay during the summer. In the winter, Orinda often sees more precipitation than surrounding areas because of its higher elevation. Snowfall is rare but not unheard of. A dusting of snow may occur in any given year because of the elevation. During stable conditions in the winter, mornings can be cold and frosty in downtown and lower-lying areas, while the higher hills surrounding the area may be several degrees warmer.

Orinda, California
Climate chart (explanation)
J
F
M
A
M
J
J
A
S
O
N
D
 
 
6
 
 
54
34
 
 
4.9
 
 
59
37
 
 
4.3
 
 
61
38
 
 
2.2
 
 
68
42
 
 
1.2
 
 
71
46
 
 
0.2
 
 
77
49
 
 
0
 
 
82
52
 
 
0.1
 
 
81
51
 
 
0.4
 
 
83
50
 
 
1.9
 
 
75
44
 
 
3.2
 
 
65
38
 
 
6.2
 
 
56
36
Average max. and min. temperatures in °F
Precipitation totals in inches
Climate data for Orinda Bowman, California (1944–1960)
MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Record high °F (°C)69
(21)
76
(24)
84
(29)
88
(31)
100
(38)
103
(39)
107
(42)
109
(43)
110
(43)
101
(38)
87
(31)
77
(25)
110
(43)
Average high °F (°C)54
(12)
59
(15)
61
(16)
68
(20)
71
(22)
77
(25)
82
(28)
81
(27)
83
(28)
75
(24)
65
(18)
56
(13)
69
(21)
Average low °F (°C)34
(1)
37
(3)
38
(3)
42
(6)
46
(8)
49
(9)
52
(11)
51
(11)
50
(10)
44
(7)
38
(3)
36
(2)
43
(6)
Record low °F (°C)15
(−9)
18
(−8)
23
(−5)
28
(−2)
32
(0)
35
(2)
42
(6)
40
(4)
32
(0)
26
(−3)
22
(−6)
19
(−7)
15
(−9)
Average precipitation inches (mm)5.99
(152)
4.86
(123)
4.31
(109)
2.16
(55)
1.22
(31)
0.18
(4.6)
0.02
(0.51)
0.05
(1.3)
0.41
(10)
1.85
(47)
3.24
(82)
6.24
(158)
30.53
(773.41)
Average rainy days11910541011471164
Source: Western Regional Climate Center [10] [11]

Demographics

The historic Merrill House, built in a Monterey Revival style. Charles W. Merrill House National Register 05000251 MM 4065.tif
The historic Merrill House, built in a Monterey Revival style.
Historical population
CensusPop.
1960 5,568
1970 6,79021.9%
1980 16,825147.8%
1990 16,642−1.1%
2000 17,5995.8%
2010 17,6430.3%
2020 19,51410.6%
U.S. Decennial Census [12]

The 2010 United States Census [13] reported that Orinda had a population of 17,643, The population density was 1,389.5 inhabitants per square mile (536.5/km2), The racial makeup of Orinda was 14,533 (82.4%) White-American, 149 (0.8%) African American, 22 (0.1%) Native American, 2,016 (11.4%) Asian-American, 24 (0.1%) Pacific Islander, 122 (0.7%) from other races, and 777 (4.4%) from two or more races. There were 807 people (4.6%) of Hispanic or Latino origin, of any race.

The Census reported that 17,600 people (99.8% of the population) lived in households, 6 (>0.1%) lived in non-institutionalized group quarters, and 37 (0.2%) were institutionalized.

There were 6,553 households, out of which 2,361 (36.0%) had children under the age of 18 living in them, 4,673 (71.3%) were opposite-sex married couples living together, 370 (5.6%) had a female householder with no husband present, 159 (2.4%) had a male householder with no wife present. There were 138 (2.1%) unmarried opposite-sex partnerships, and 58 (0.9%) same-sex married couples or partnerships, 1,127 households (17.2%) were made up of individuals, and 695 (10.6%) had someone living alone who was 65 years of age or older. The average household size was 2.69. There were 5,202 families (79.4% of all households); the average family size was 3.03.

The population was spread out, with 4,512 people (25.6%) under the age of 18, 729 people (4.1%) aged 18 to 24, 2,741 people (15.5%) aged 25 to 44, 6,111 people (34.6%) aged 45 to 64, and 3,550 people (20.1%) who were 65 years of age or older. The median age was 47.8 years. For every 100 females, there were 94.4 males. For every 100 females age 18 and over, there were 91.9 males.

There were 6,804 housing units, at an average density of 535.8 per square mile (206.9/km2), of which 6,553 were occupied, of which 5,876 (89.7%) were owner-occupied, and 677 (10.3%) were occupied by renters. The homeowner vacancy rate was 1.2%; the rental vacancy rate was 4.2%. 16,010 people (90.7% of the population) lived in owner-occupied housing units and 1,590 people (9.0%) lived in rental housing units.

Government

Orinda station is served by Bay Area Rapid Transit. Eastbound BART train at Orinda station, March 2018.JPG
Orinda station is served by Bay Area Rapid Transit.

As of February 10, 2019, Orinda has 14,020 registered voters, with 6,692 (47.7%) registered as Democrats, 3,176 (22.7%) registered as Republicans, and 3,662 (26.1%) decline to state voters. [14]

Education

Orinda has four public elementary schools: Sleepy Hollow Elementary, Wagner Ranch Elementary, Glorietta Elementary and Del Rey Elementary. Orinda Intermediate School is the only middle school. Together, these five schools make up the Orinda Union School District. Orinda's high school, Miramonte High School, is a part of the Acalanes Union High School District.

Orinda is home to three private educational establishments: Orinda Academy, Holden High School, and Fountainhead Montessori School. Of these, two (OA & Holden) are private high schools, while Fountainhead Montessori School services kindergarten through fifth grade.

The Contra Costa County Library has a branch in Orinda.

Notable people

See also

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