|San Diego County and the state of California|
|• Total||11.042 sq mi (28.599 km2)|
|• Land||11.042 sq mi (28.599 km2)|
|• Water||0 sq mi (0 km2) 0%|
|Elevation||1,043 ft (318 m)|
|• Density||170/sq mi (64/km2)|
|Time zone||PST (UTC-8)|
|• Summer (DST)||PDT (UTC-7)|
|GNIS feature ID||1652780|
Rainbow is located at (33.411213, -117.149209).
According to the United States Census Bureau, the CDP has a total area of 11.0 square miles (28 km2), all land.
The 2010 United States Census reported that Rainbow had a population of 1,832. The population density was 165.9 people per square mile (64.1/km²). The racial makeup of Rainbow was 1,324 (72.3%) White, 19 (1.0%) African American, 12 (0.7%) Native American, 43 (2.3%) Asian, 12 (0.7%) Pacific Islander, 371 (20.3%) from other races, and 51 (2.8%) from two or more races. Hispanic or Latino of any race were 665 persons (36.3%).
The Census reported that 1,745 people (95.3% of the population) lived in households, 0 (0%) lived in non-institutionalized group quarters, and 87 (4.7%) were institutionalized.
There were 644 households, out of which 173 (26.9%) had children under the age of 18 living in them, 375 (58.2%) were opposite-sex married couples living together, 39 (6.1%) had a female householder with no husband present, 26 (4.0%) had a male householder with no wife present. There were 26 (4.0%) unmarried opposite-sex partnerships, and 5 (0.8%) same-sex married couples or partnerships. 163 households (25.3%) were made up of individuals and 81 (12.6%) had someone living alone who was 65 years of age or older. The average household size was 2.71. There were 440 families (68.3% of all households); the average family size was 3.20.
The population was spread out with 343 people (18.7%) under the age of 18, 153 people (8.4%) aged 18 to 24, 412 people (22.5%) aged 25 to 44, 555 people (30.3%) aged 45 to 64, and 369 people (20.1%) who were 65 years of age or older. The median age was 45.3 years. For every 100 females there were 97.2 males. For every 100 females age 18 and over, there were 96.7 males.
There were 719 housing units at an average density of 65.1 per square mile (25.1/km²), of which 475 (73.8%) were owner-occupied, and 169 (26.2%) were occupied by renters. The homeowner vacancy rate was 2.6%; the rental vacancy rate was 6.1%. 1,230 people (67.1% of the population) lived in owner-occupied housing units and 515 people (28.1%) lived in rental housing units.
As of the census of 2000, there were 2,026 people, 739 households, and 523 families residing in the CDP. The population density was 126.0 inhabitants per square mile (48.7/km²). There were 780 housing units at an average density of 48.5 per square mile (18.7/km²). The racial makeup of the CDP was 81.44% White, 0.15% African American, 0.79% Native American, 2.42% Asian, 0.79% Pacific Islander, 11.45% from other races, and 2.96% from two or more races. Hispanic or Latino of any race were 21.82% of the population.
There were 739 households out of which 26.9% had children under the age of 18 living with them, 62.2% were married couples living together, 5.3% had a female householder with no husband present, and 29.2% were non-families. 21.7% of all households were made up of individuals and 10.3% had someone living alone who was 65 years of age or older. The average household size was 2.73 and the average family size was 3.15.
In the CDP the population was spread out with 23.7% under the age of 18, 6.0% from 18 to 24, 25.8% from 25 to 44, 26.8% from 45 to 64, and 17.8% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 109.1 males. For every 100 females age 18 and over, there were 110.9 males.
The median income for a household in the CDP was $40,938, and the median income for a family was $44,833. Males had a median income of $38,661 versus $32,917 for females. The per capita income for the CDP was $19,890. About 15.8% of families and 23.2% of the population were below the poverty line, including 33.4% of those under age 18 and 5.5% of those age 65 or over.
The area, previously known as "Vallecitos", (little valley), was renamed "Rainbow Valley" in the late 1880s, after Mr. James Peebles Marshall Rainbow, who bought a homestead there.
In October 2007, the Santa Ana winds fueled a major wildfire in the area.
In the state legislature Rainbow is located in the 36th Senate District, represented by Republican Joel Anderson, and in the 75th Assembly District, represented by Republican Marie Waldron. Federally, Rainbow is located in California's 49th congressional district, which has a Cook PVI of R +10 and is represented by Republican Darrell Issa.
- U.S. Census
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- All data are derived from the United States Census Bureau reports from the 2010 United States Census, and are accessible on-line here. The data on unmarried partnerships and same-sex married couples are from the Census report DEC_10_SF1_PCT15. All other housing and population data are from Census report DEC_10_DP_DPDP1. Both reports are viewable online or downloadable in a zip file containing a comma-delimited data file. The area data, from which densities are calculated, are available on-line here. Percentage totals may not add to 100% due to rounding. The Census Bureau defines families as a household containing one or more people related to the householder by birth, opposite-sex marriage, or adoption. People living in group quarters are tabulated by the Census Bureau as neither owners nor renters. For further details, see the text files accompanying the data files containing the Census reports mentioned above.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "Will Gerrymandered Districts Stem the Wave of Voter Unrest?". Campaign Legal Center Blog. Retrieved 2008-02-10.