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Rocklin, California
City
City of Rocklin
Amtrak station and Chamber of Commerce, Rocklin
Amtrak station and Chamber of Commerce, Rocklin
Motto: "A Family Community"[1]
Location in Placer County and the state of California
Location in Placer County and the state of California
Rocklin, California is located in USA
Rocklin, California
Rocklin, California
Location in the United States
Coordinates: 38°48′0″N 121°14′48″W / 38.80000°N 121.24667°W / 38.80000; -121.24667Coordinates: 38°48′0″N 121°14′48″W / 38.80000°N 121.24667°W / 38.80000; -121.24667
Country  United States
State  California
County Placer
Incorporated February 24, 1893[2]
Government
 • State Senate Doug LaMalfa (R)
 • State Assembly Beth Gaines (R)
 • U. S. Congress Tom McClintock (R)[3]
Area[4]
 • Total 19.594 sq mi (50.749 km2)
 • Land 19.541 sq mi (50.610 km2)
 • Water 0.053 sq mi (0.139 km2)  0.27%
Elevation 249 ft (79 m)
Population (2010)
 • Total 56,974
 • Density 2,900/sq mi (1,100/km2)
Time zone PST (UTC-8)
 • Summer (DST) PDT (UTC-7)
ZIP codes 95677, 95765
Area code(s) 916
FIPS code 06-62364
GNIS feature ID 0277586
Website www.ci.rocklin.ca.us

Rocklin is a city in Placer County, California located approximately 22 miles (35 km) from Sacramento, California, and about 6.1 miles (9.8 km) northeast of Roseville in the Sacramento metropolitan area. Besides Roseville, it shares borders with Granite Bay, Loomis and Lincoln. As of the 2010 census, Rocklin's population was 56,974.

History[edit]

Prior to the California Gold Rush the Nisenan Maidu occupied both permanent villages and temporary summer shelters along the rivers and streams which miners sifted, sluiced, dredged and dammed to remove the gold.[5] Explorer Jedediah Smith and a large party of American fur trappers crossed the Sacramento Valley in late April, 1827. The group saw many Maidu villages along the river banks.[5] Deprived of traditional foodstuffs, homesites and hunting grounds by the emigrants, the Nisenan were among the earliest California Indian tribes to disappear.[5]

During the 1850s, miners sluiced streams and rivers including Secret Ravine which runs through Rocklin. The piles of dredger tailings is still obvious today, between Roseville and Loomis southeast of Interstate 80.[6] Secret Ravine at the area now at the intersection of Ruhkala Road and Pacific Street was later mined for granite, some of which was used as the base course of the California Capitol Building in Sacramento, although the earliest recorded use of the rock was for Fort Mason at San Francisco in 1855.[7] The granite was hauled out by ox carts before the arrival of the railroad many years later.[7]

In 1860, the U.S. Census counted 440 residents in the area of Secret Ravine, of which approximately 16% had been born in Ireland and the majority of whom worked as miners.[8] The area was referred to as Secret Ravine or the "granite quarries at the end of the tracks" as late as 1864.[8]

Rocklin's history is closely tied to the transcontinental railroad. In 1862, the Pacific Railroad Act granted the Central Pacific Railroad land near Secret Ravine.[8] In 1864, the Central Pacific Railroad completed an extension of its track southwest from Newcastle to Secret Ravine. It named the area Rocklin after its granite quarry, and used the site a refueling and water stop. The Central Pacific built a roundhouse in 1867.[9] The transcontinental railroad was completed in 1869, significantly increasing railroad traffic through the town. According to the 1870 census, Rocklin had grown to 542 residents,[10] and the majority of Irish immigrants had foregone mining and were working for the railroad.[8] In 1906 the Central Pacific moved its facility from Rocklin to Roseville, where more land was available for expansion.[9] The site in Roseville has remained in continuous use since. As of August 2014, it is the largest rail facility near the US West Coast.[11]

In 1869 a group of laid-off Chinese railroad workers moved to Secret Ravine to mine and raise vegetables which they sold locally. They were driven out during the anti-Chinese pogrom of September 1876 but the area is still known as China Gardens.[7]

The Rocklin post office opened in 1868.[12] Finnish immigrants settled in Rocklin starting in the 1870s, and Spanish settlers arriving by way of Hawaii settled in Rocklin during the early 20th Century.[8] The town incorporated in 1893.[12]

Geography[edit]

Rocklin is located at 38°48′00″N 121°14′48″W / 38.800011°N 121.246731°W / 38.800011; -121.246731.[13]

According to the United States Census Bureau, the city has a total area of 19.6 square miles (51 km2), of which 0.05 square miles (0.13 km2), or 0.27%, is water.

Climate[edit]

Rocklin has a hot-summer Mediterranean climate (Köppen climate classification Csa) that is characterized by cool, moist winters and hot, dry summers (Köppen climate classification Csa). Summer months are hot, with a July high of 94 °F (34 °C) & bring almost no rainfall. Winter months on the other hand, are cool with a December average of 47 °F (8 °C) and give way to plenty of rain.

Climate data for Rocklin, California
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 75
(24)
78
(26)
86
(30)
98
(37)
107
(42)
110
(43)
115
(46)
110
(43)
111
(44)
102
(39)
87
(31)
76
(24)
115
(46)
Average high °F (°C) 53
(12)
60
(16)
64
(18)
71
(22)
80
(27)
88
(31)
94
(34)
92
(33)
87
(31)
77
(25)
63
(17)
54
(12)
73.6
(23.2)
Daily mean °F (°C) 46
(8)
51
(11)
54
(12)
60
(16)
66
(19)
73
(23)
78
(26)
76
(24)
73
(23)
65
(18)
54
(12)
47
(8)
61.9
(16.7)
Average low °F (°C) 39
(4)
42
(6)
44
(7)
48
(9)
53
(12)
58
(14)
61
(16)
61
(16)
58
(14)
52
(11)
44
(7)
39
(4)
49.9
(10)
Record low °F (°C) 21
(−6)
23
(−5)
27
(−3)
33
(1)
36
(2)
43
(6)
48
(9)
46
(8)
41
(5)
31
(−1)
27
(−3)
16
(−9)
16
(−9)
Average precipitation inches (mm) 3.98
(101.1)
3.46
(87.9)
3.07
(78)
1.58
(40.1)
0.58
(14.7)
0.12
(3)
0.04
(1)
0.06
(1.5)
0.35
(8.9)
1.08
(27.4)
2.80
(71.1)
3.33
(84.6)
1.70
(43.2)
Source: http://www.myforecast.com/bin/climate.m?city=12122&metric=false

Demographics[edit]

Historical population
Census Pop.
1880 624
1890 1,056 69.2%
1900 1,050 −0.6%
1910 1,026 −2.3%
1920 643 −37.3%
1930 724 12.6%
1940 795 9.8%
1950 1,155 45.3%
1960 1,495 29.4%
1970 3,039 103.3%
1980 7,344 141.7%
1990 19,033 159.2%
2000 36,330 90.9%
2010 56,974 56.8%
Est. 2014 60,344 [14] 5.9%
U.S. Decennial Census[15]

2010[edit]

The 2010 United States Census[16] reported that Rocklin had a population of 56,974. The population density was 2,907.7 people per square mile (1,122.7/km²). The racial makeup of Rocklin was 47,047 (82.6%) White, 858 (1.5%) African American, 410 (0.7%) Native American, 4,105 (7.2%) Asian, 150 (0.3%) Pacific Islander, 1,538 (2.7%) from other races, and 2,866 (5.0%) from two or more races. Hispanic or Latino of any race were 6,555 persons (11.5%).

The Census reported that 56,337 people (98.9% of the population) lived in households, 456 (0.8%) lived in non-institutionalized group quarters, and 181 (0.3%) were institutionalized.

There were 20,800 households, out of which 8,424 (40.5%) had children under the age of 18 living in them, 11,974 (57.6%) were opposite-sex married couples living together, 2,191 (10.5%) had a female householder with no husband present, 895 (4.3%) had a male householder with no wife present. There were 1,035 (5.0%) unmarried opposite-sex partnerships, and 124 (0.6%) same-sex married couples or partnerships. 4,403 households (21.2%) were made up of individuals and 1,652 (7.9%) had someone living alone who was 65 years of age or older. The average household size was 2.71. There were 15,060 families (72.4% of all households); the average family size was 3.18.

The population was spread out with 15,613 people (27.4%) under the age of 18, 5,306 people (9.3%) aged 18 to 24, 15,159 people (26.6%) aged 25 to 44, 14,668 people (25.7%) aged 45 to 64, and 6,228 people (10.9%) who were 65 years of age or older. The median age was 36.7 years. For every 100 females there were 94.0 males. For every 100 females age 18 and over, there were 90.4 males.

There were 22,010 housing units at an average density of 1,123.3 per square mile (433.7/km²), of which 13,797 (66.3%) were owner-occupied, and 7,003 (33.7%) were occupied by renters. The homeowner vacancy rate was 2.5%; the rental vacancy rate was 7.3%. 39,295 people (69.0% of the population) lived in owner-occupied housing units and 17,042 people (29.9%) lived in rental housing units.

2000[edit]

As of the census[17] of 2000, there were 36,330 people, 13,258 households, and 10,009 families residing in the city. The population density was 2,246.2 people per square mile (867.5/km²). There were 14,421 housing units at an average density of 891.6 per square mile (344.3/km²). The racial makeup of the city was 88.32% White, 0.91% African American, 0.80% Native American, 4.16% Asian, 0.19% Pacific Islander, 1.93% from other races, and 3.69% from two or more races. Hispanic or Latino of any race were 7.91% of the population. 16.8% were of German, 11.8% English, 10.6% Irish, 8.1% Italian and 6.5% American ancestry according to Census 2000.

There were 13,258 households out of which 42.6% had children under the age of 18 living with them, 62.3% were married couples living together, 9.4% had a female householder with no husband present, and 24.5% were non-families. 18.7% of all households were made up of individuals and 6.3% had someone living alone who was 65 years of age or older. The average household size was 2.74 and the average family size was 3.15.

In the city the population was spread out with 30.0% under the age of 18, 7.0% from 18 to 24, 33.7% from 25 to 44, 20.8% from 45 to 64, and 8.6% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 95.6 males. For every 100 females age 18 and over, there were 92.6 males.

The median income for a household in the city was $84,508, according to the City of Rocklin website.[citation needed] Males had a median income of $54,426 versus $35,920 for females. The per capita income for the city was $26,910. About 3.1% of families and 4.5% of the population were below the poverty line, including 4.3% of those under age 18 and 3.5% of those age 65 or over.

Economy[edit]

Granite mining ended in 2004 in Rocklin.[8] The economy diversified; the Formica Company formerly operated a manufacturing plant in Rocklin. Educational Media Foundation, which owns the K-LOVE and Air1 radio networks, is based in Rocklin. Two colleges opened as did other businesses including the Educational Media Foundation and the U.S.-based subsidiary of SMA Solar Technology AG, a manufacturer of solar inverters.[18]

Shopping, entertainment and dining are provided by smaller businesses and the area is served by the Blue Oaks Town Center, a regional shopping center anchored by national tenants, located on the Highway 65 corridor.[19] A section of Granite Drive along Interstate 80 is known as Toy Row, and there is also a local antique mall.


Education[edit]

The Rocklin area is home to eleven elementary schools, two middle schools, two high schools, two alternative education institutions as well as campuses of Sierra College[20] and William Jessup University.

Infrastructure[edit]

Transportation[edit]

Interstate 80 and State Route 65 intersect in Rocklin. The Rocklin (Amtrak station) is served by the Capitol Corridor and the California Zephyr routes.

Notable people[edit]

References[edit]

  1. ^ "City of Rocklin California Website". http://www.rocklin.ca.us/. Retrieved September 14, 2012. 
  2. ^ "California Cities by Incorporation Date" (Word). California Association of Local Agency Formation Commissions. Retrieved August 25, 2014. 
  3. ^ "California's 4th Congressional District - Representatives & District Map". Civic Impulse, LLC. Retrieved March 3, 2013. 
  4. ^ U.S. Census
  5. ^ a b c "Folsom's Unique History". Folsom History Museum. Retrieved February 6, 2014. 
  6. ^ Introduction to Rocklin History Series
  7. ^ a b c Ruhkala, Roy. "History of Rocklin California". Written Histories 1974. The Rocklin Historical Society. Retrieved February 6, 2014. 
  8. ^ a b c d e f Day, Gary. "Where did Rocklin come from?". Rocklin & Roseville Today. Retrieved February 6, 2014. 
  9. ^ a b Day, Gary. "Where did Rocklin come from?". Rocklin & Roseville Today. Retrieved August 20, 2014. 
  10. ^ Harman, Lila. "A History of Rocklin". 
  11. ^ http://www.up.com/aboutup/facilities/davis/index.htm
  12. ^ a b Durham, David L. (1998). California's Geographic Names: A Gazetteer of Historic and Modern Names of the State. Clovis, Calif.: Word Dancer Press. p. 547. ISBN 1-884995-14-4. 
  13. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  14. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  15. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2015. 
  16. ^ "2010 Census Interactive Population Search: CA - Rocklin city". U.S. Census Bureau. Retrieved July 12, 2014. 
  17. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  18. ^ D and B Million Dollar Directory. Dun & Bradstreet, Incorporated. 2011. p. 4690. 
  19. ^ "Rocklin Venues". Sacramento Bee. Retrieved 6 February 2014. 
  20. ^ "Rocklin Campus". Sierra College. Retrieved 6 February 2014. 

External links[edit]



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