Orinda, California facts for kids
Quick facts for kids
City of Orinda
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Downtown Orinda
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Location in Contra Costa County and the state of California
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 Orinda, California
Location in the United States
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| Country | United States |
| State | California |
| County | Contra Costa |
| Incorporated | July 1, 1985 |
| Area | |
| • Total | 12.87 sq mi (33.33 km2) |
| • Land | 12.85 sq mi (33.29 km2) |
| • Water | 0.02 sq mi (0.04 km2) 0.12% |
| Elevation | 495 ft (151 m) |
| Population
(2020)
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| • Total | 19,514 |
| • Density | 1,516.2/sq mi (585.48/km2) |
| Time zone | UTC−8 (PST) |
| • Summer (DST) | UTC−7 (PDT) |
| ZIP Code |
94563
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| Area code(s) | 925 |
| FIPS code | 06-54232 |
| GNIS feature IDs | 1659313, 2411334 |
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.
History
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".
In the 1880s, United States Surveyor General for California Theodore Wagner built an estate he named Orinda Park. The Orinda Park post office opened in 1888. The post office's name was changed to Orinda in 1895. 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.
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 and Route 6 of the County Connection.
Geography
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.
| Weather chart for Orinda, California | |||||||||||||||||||||||||||||||||||||||||||||||
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| J | F | M | A | M | J | J | A | S | O | N | D | ||||||||||||||||||||||||||||||||||||
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6
54
34
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4.9
59
37
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4.3
61
38
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2.2
68
42
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1.2
71
46
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0.2
77
49
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0
82
52
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0.1
81
51
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0.4
83
50
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1.9
75
44
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3.2
65
38
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6.2
56
36
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| temperatures in °F precipitation totals in inches |
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Metric conversion
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| Climate data for Orinda, California | |||||||||||||
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| 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) | 54.8 (12.7) |
59.6 (15.3) |
62.4 (16.9) |
70.5 (21.4) |
70.9 (21.6) |
77.2 (25.1) |
81.2 (27.3) |
81.0 (27.2) |
79.5 (26.4) |
73.6 (23.1) |
63.5 (17.5) |
55.2 (12.9) |
69.1 (20.6) |
| Mean daily minimum °F (°C) | 38.3 (3.5) |
41.5 (5.3) |
43.4 (6.3) |
45.6 (7.6) |
48.6 (9.2) |
52.1 (11.2) |
54.0 (12.2) |
55.3 (12.9) |
54.0 (12.2) |
50.3 (10.2) |
45.3 (7.4) |
39.8 (4.3) |
47.3 (8.5) |
| 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 | |||||||||||||
Demographics
| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1960 | 5,568 | — | |
| 1970 | 6,790 | 21.9% | |
| 1980 | 16,825 | 147.8% | |
| 1990 | 16,642 | −1.1% | |
| 2000 | 17,599 | 5.8% | |
| 2010 | 17,643 | 0.3% | |
| 2020 | 19,514 | 10.6% | |
| U.S. Decennial Census | |||
The 2010 United States Census 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.
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
- Poul Anderson, science fiction author
- Troy Auzenne, football star
- Bryan Barker, NFL football punter
- Steph Curry, NBA player Golden State Warriors lived in Orinda 2013-2016
- Jim Barnett, Golden State Warriors player and TV color commentator
- Theodore Temple (Ted) Beckett, football star
- Drew Bennett, former NFL wide receiver; graduated from Miramonte High School in 1996
- Nicole Branagh, Olympic beach volleyball player
- Matt Cain, pitcher for San Francisco Giants
- Kirsten Costas, high school student murdered by her classmate, Bernadette Protti, in 1984
- Paul Dini, writer, cartoonist; lived in Orinda from 1963 to 1988
- Ken Dorsey, former quarterback for San Francisco 49ers and Cleveland Browns
- Patricia C. Dunn, former Chairwoman of the Board of Hewlett-Packard
- Sheila E., drummer and percussionist
- Adonal Foyle, NBA center for Golden State Warriors and Orlando Magic
- John Hammergren, CEO of McKesson; highest-paid CEO in US (2011–2013)
- John Hampton, co-founder of Toys for Tots
- Sabrina Ionescu, WNBA star with the New York Liberty
- Brett Jackson, MLB player
- Robert Karplus, physicist and educator
- Hans Kelsen, one of preeminent jurists of 20th Century
- Harry Arthur "Cookie" Lavagetto (1912–1990), MLB third baseman, manager and coach, and pinch-hitter
- Daniel Levitin, best-selling author, cognitive neuroscientist, musician
- David Marchick, Washington, D.C. lobbyist
- Hans Niemann, chess grandmaster
- Wayne F. Miller, photographer
- Karen Moe, Olympic swimming gold medalist
- William Penn Mott Jr., director of National Park Service from 1985 to 1989
- Heather Petri, Olympic water polo player
- Susan Polk, Orinda housewife sentenced to 16-to-life for murder of husband, Felix Polk
- Gary Radnich, news broadcaster
- Julie Rubio, filmmaker
- Sam Shankland, chess grandmaster and 2018 US Chess Champion
- Dana Sparks, actress and spokesperson, Falcon Crest, Passions, L.A. Law, L'Oréal, Mercedes-Benz
- Jeremy Stoppelman, Founder of Yelp.com
- Rawson Marshall Thurber, filmmaker and actor
- Nicolle Wallace, political commentator, former White House Communications Director and senior adviser to John McCain's presidential campaign
- Claudell Washington, former Major League Baseball player
- Will Wright, designer of computer games such as SimCity and The Sims
- Daniel Wu, a Hong Kong actor who was raised in Orinda
See also
In Spanish: Orinda para niños
