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Orinda, California

City in California, United States From Wikipedia, the free encyclopedia

Orinda, Californiamap
"Orinda" redirects here. For other uses, see Orinda (disambiguation).
Not to be confused with Olinda, California.

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]

Quick Facts City of Orinda, Country ...
City of Orinda
City
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Downtown Orinda
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Location in Contra Costa County and the state of California
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City of Orinda
Location in the United States
Coordinates: 37°52′58″N 122°10′47″W
CountryUnited States
StateCalifornia
CountyContra Costa
IncorporatedJuly 1, 1985[1]
Government
 • MayorDarlene Gee[2]
 • State SenatorJesse Arreguín (D)[3]
 • State AssemblyRebecca Bauer-Kahan (D)[4]
 • U. S. CongressMark DeSaulnier (D)[5]
Area
[6]
 • Total
12.87 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)
 • Total
19,514
 • Density1,500/sq mi (590/km2)
Time zoneUTC−8 (PST)
 • Summer (DST)UTC−7 (PDT)
ZIP Code
94563
Area code925
FIPS code06-54232
GNIS feature IDs1659313, 2411334
Websitewww.cityoforinda.org
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History

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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) Yellow Line and Route 6 of the County Connection.

Geography

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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 inner Bay. 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 inner Bay 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.

Quick Facts Climate chart (explanation), Metric conversion ...
Orinda, California
Climate chart (explanation)
J
F
M
A
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A
S
O
N
D
 
 
6
 
 
54
34
 
 
4.9
 
 
59
37
 
 
4.3
 
 
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2.2
 
 
68
42
 
 
1.2
 
 
71
46
 
 
0.2
 
 
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49
 
 
0
 
 
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0.1
 
 
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0.4
 
 
83
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1.9
 
 
75
44
 
 
3.2
 
 
65
38
 
 
6.2
 
 
56
36
█ Average max. and min. temperatures in °F
█ Precipitation totals in inches
Metric conversion
J
F
M
A
M
J
J
A
S
O
N
D
 
 
152
 
 
12
1
 
 
123
 
 
15
3
 
 
109
 
 
16
4
 
 
55
 
 
20
5
 
 
31
 
 
22
8
 
 
4.6
 
 
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28
11
 
 
1.3
 
 
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47
 
 
24
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82
 
 
18
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158
 
 
13
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█ Average max. and min. temperatures in °C
█ Precipitation totals in mm
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More information Climate data for Orinda, California, Month ...
Climate data for Orinda, California
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
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)
Mean daily maximum °F (°C) 53.8
(12.1)		 58.6
(14.8)		 61.4
(16.3)		 67.5
(19.7)		 70.9
(21.6)		 77.2
(25.1)		 82.8
(28.2)		 81.2
(27.3)		 82.5
(28.1)		 74.6
(23.7)		 64.5
(18.1)		 56.2
(13.4)		 69.3
(20.7)
Daily mean °F (°C) 44.0
(6.7)		 47.5
(8.6)		 49.9
(9.9)		 54.5
(12.5)		 58.2
(14.6)		 63.3
(17.4)		 66.7
(19.3)		 66.3
(19.1)		 66.3
(19.1)		 59.6
(15.3)		 51.4
(10.8)		 46.0
(7.8)		 56.1
(13.4)
Mean daily minimum °F (°C) 34.3
(1.3)		 36.5
(2.5)		 38.4
(3.6)		 41.6
(5.3)		 45.6
(7.6)		 49.4
(9.7)		 51.6
(10.9)		 51.3
(10.7)		 50.0
(10.0)		 44.3
(6.8)		 38.3
(3.5)		 35.8
(2.1)		 43.1
(6.2)
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 precipitation days (≥ 0.01 in) 11 9 10 5 4 1 0 1 1 4 7 11 64
Source: Western Regional Climate Center[10]
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Demographics

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The historic Merrill House, built in a Monterey Revival style
More information Census, Pop. ...
Historical population
CensusPop.Note%±
19605,568—
19706,79021.9%
198016,825147.8%
199016,642−1.1%
200017,5995.8%
201017,6430.3%
202019,51410.6%
U.S. Decennial Census[11]
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The 2020 United States census reported that Orinda had a population of 19,514. The population density was 1,518.4 inhabitants per square mile (586.3/km2). The racial makeup of Orinda was 68.8% White, 1.0% African American, 0.2% Native American, 17.4% Asian, 0.1% Pacific Islander, 1.4% from other races, and 11.1% from two or more races. Hispanic or Latino of any race were 6.6% of the population.[12]

The census reported that 99.8% of the population lived in households, 0.0% lived in non-institutionalized group quarters, and 0.2% were institutionalized.[12]

There were 6,957 households, out of which 38.2% included children under the age of 18, 72.6% were married-couple households, 2.8% were cohabiting couple households, 16.0% had a female householder with no partner present, and 8.6% had a male householder with no partner present. 16.0% of households were one person, and 11.9% were one person aged 65 or older. The average household size was 2.8.[12] There were 5,597 families (80.5% of all households).[13]

The age distribution was 24.9% under the age of 18, 5.8% aged 18 to 24, 16.9% aged 25 to 44, 29.1% aged 45 to 64, and 23.4% who were 65 years of age or older. The median age was 46.6 years. For every 100 females, there were 96.6 males.[12]

There were 7,232 housing units at an average density of 562.7 units per square mile (217.3 units/km2), of which 6,957 (96.2%) were occupied. Of these, 88.1% were owner-occupied, and 11.9% were occupied by renters.[12]

In 2023, the US Census Bureau estimated that 19.9% of the population were foreign-born. Of all people aged 5 or older, 80.5% spoke only English at home, 3.1% spoke Spanish, 6.7% spoke other Indo-European languages, 9.2% spoke Asian or Pacific Islander languages, and 0.5% spoke other languages. Of those aged 25 or older, 98.1% were high school graduates and 85.4% had a bachelor's degree.[14]

The median household income was over $250,000, and the per capita income was $139,503. About 0.4% of families and 2.0% of the population were below the poverty line.[15]

Government

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Orinda Community Center

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.[16]

Once a Republican stronghold [17], Orinda has trended Democratic since 1992.

More information Year, Democratic ...
Orinda vote
by party in presidential elections [18]
Year Democratic Republican
2024 77.4% 9,625 19.6% 2,442
2020 78.8% 10,435 19.3% 2,561
2016 74.2% 8,557 19.9% 2,295
2012 62.8% 7,158 34.7% 3,958
2008 67.5% 7,864 30.8% 3,594
2004 61.5% 7,025 37.2% 4,245
2000 51.5% 5,515 44.3% 4,746
1996 46.4% 4,778 45.1% 4,642
1992 42.6% 4,719 37.5% 4,163
1988 39.0% 4,163 59.9% 6,384
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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

References

External links

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