Diamond Springs
Census-designated place
Location in El Dorado County and the state of California
Diamond Springs Location in the United States
Coordinates: 38°41′41″N 120°48′54″W / 38.69472°N 120.81500°W / 38.69472; -120.81500
Country	United States
State	California
County	El Dorado
Area [1]
• Total	16.71 sq mi (43.29 km2)
• Land	16.64 sq mi (43.10 km2)
• Water	0.07 sq mi (0.19 km2)  0.42%
Elevation	1,791 ft (546 m)
Population  (2020)
• Total	11,345
• Density	681.79/sq mi (263.24/km2)
Time zone	UTC-8 (Pacific (PST))
• Summer (DST)	UTC-7 (PDT)
ZIP code	95619
Area code	530
FIPS code	06-19220
GNIS feature ID	0277499
California Historical Landmark
Reference no.	487

Diamond Springs (formerly, Diamond Spring and Diamond)^[2] is a census-designated place (CDP) in El Dorado County, California, United States. It is part of the Sacramento–Arden-Arcade–Roseville Metropolitan Statistical Area. The population was 11,037 at the 2010 census, up from 4,888 at the 2000 census. The town is registered as California Historical Landmark number 487.^[3] It lies at an elevation of 1791 feet (546 m).^[4]

This town, settled in 1848, derived its name from its crystal clear springs. Among the most gold-rich locations in the region, the area produced a 25-pound nugget, one of the largest ever found in El Dorado County. Its most thriving period was in 1851 and, through its lumber, lime production, and agriculture, Diamond Springs has retained some of its early importance.

A post office was established at Diamond Spring in 1853; the name was changed to Diamond Springs in 1950.^[2]

According to the United States Census Bureau, the CDP has a total area of 16.7 square miles (43 km²), of which, 16.6 square miles (43 km²) of it is land and 0.1 square miles (0.26 km²) of it (0.42%) is water.

The 2010 United States Census^[6] reported that Diamond Springs had a population of 11,037. The population density was 660.4 inhabitants per square mile (255.0/km²). The racial makeup of Diamond Springs was 9,743 (88.3%) White, 39 (0.4%) African American, 176 (1.6%) Native American, 110 (1.0%) Asian, 6 (0.1%) Pacific Islander, 518 (4.7%) from other races, and 445 (4.0%) from two or more races. Hispanic or Latino of any race were 1,377 persons (12.5%).

The Census reported that 10,904 people (98.8% of the population) lived in households, 23 (0.2%) lived in non-institutionalized group quarters, and 110 (1.0%) were institutionalized.

There were 4,579 households, out of which 1,195 (26.1%) had children under the age of 18 living in them, 2,208 (48.2%) were opposite-sex married couples living together, 530 (11.6%) had a female householder with no husband present, 199 (4.3%) had a male householder with no wife present. There were 230 (5.0%) unmarried opposite-sex partnerships, and 29 (0.6%) same-sex married couples or partnerships. 1,380 households (30.1%) were made up of individuals, and 848 (18.5%) had someone living alone who was 65 years of age or older. The average household size was 2.38. There were 2,937 families (64.1% of all households); the average family size was 2.94.

The population was spread out, with 2,253 people (20.4%) under the age of 18, 776 people (7.0%) aged 18 to 24, 2,200 people (19.9%) aged 25 to 44, 3,373 people (30.6%) aged 45 to 64, and 2,435 people (22.1%) who were 65 years of age or older. The median age was 47.1 years. For every 100 females, there were 88.9 males. For every 100 females age 18 and over, there were 84.3 males.

There were 4,921 housing units at an average density of 294.5 per square mile (113.7/km²), of which 4,579 were occupied, of which 3,301 (72.1%) were owner-occupied, and 1,278 (27.9%) were occupied by renters. The homeowner vacancy rate was 3.4%; the rental vacancy rate was 5.0%. 7,849 people (71.1% of the population) lived in owner-occupied housing units and 3,055 people (27.7%) lived in rental housing units.

In the state legislature, Diamond Springs is in the 1st Senate District, represented by Republican Megan Dahle,^[7] and the 5th Assembly District, represented by Republican Joe Patterson.^[8] Federally, Diamond Springs is in California's 5th congressional district, represented by Republican Tom McClintock.^[9]

• El Dorado Western Railway Foundation blog The railway is restoring the Diamond and Caldor Railway No. 4 Shay locomotive at the El Dorado County Historical Museum