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Bloomfield, California facts for kids

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Bloomfield in 2008: Stormy's Restaurant, masonic lodge, and town hall
Bloomfield in 2008: Stormy's Restaurant, masonic lodge, and town hall
Bloomfield, California is located in California
Bloomfield, California
Bloomfield, California
Location in California
Country  United States
State  California
County Sonoma
 • Total 8.14 sq mi (21.09 km2)
 • Land 8.14 sq mi (21.08 km2)
 • Water 0.01 sq mi (0.02 km2)  0.08%
56 ft (17 m)
 • Total 338
 • Density 41.53/sq mi (16.04/km2)
Time zone UTC-8 (PST)
 • Summer (DST) UTC-7 (PDT)
ZIP code
Area code(s) 707
FIPS code 06-07036
GNIS feature IDs 1658081, 2582946

Bloomfield is a census-designated place in Sonoma County, California, U.S. It is located in a rural area about 11 miles (18 km) southwest of Santa Rosa at the junction of Bloomfield Road and Valley Ford Road. Americano Creek flows westward along the south edge of the town.


Bloomfield, California (circa 1870)
Cash store in Bloomfield, circa 1870

Bloomfield is located on part of Rancho Cañada de Pogolimi. In 1853, William Zellhardt built a house on the site of present-day Bloomfield, which attracted other immigrants and led to plans for a town in 1856. At one point in the late 1850s, Bloomfield was the second largest town in Sonoma County, and in 1877 it had four hotels and a population of 250. However, the town never recovered from being bypassed by the railroads, and its growth tapered off.


According to the United States Census Bureau, the CDP covers an area of 8.1 square miles (21.1 km²), 99.92% of it land and 0.08% of it water.


Historical population
Census Pop.
2020 338
U.S. Decennial Census

The 2010 United States Census reported that Bloomfield had a population of 345. The population density was 42.4 people per square mile (16.4/km2). The racial makeup of the CDP was 81.7% White, 1.2% Asian, 15.1% from other races, and 2.0% from two or more races. 18.0% of the population was Hispanic or Latino of any race.

The Census reported that 100% of the population lived in households.

There were 135 households, out of which 29 (21.5%) had children under the age of 18 living in them, 79 (58.5%) were opposite-sex married couples living together, 12 (8.9%) had a female householder with no husband present, 7 (5.2%) had a male householder with no wife present. There were 11 (8.1%) unmarried opposite-sex partnerships, and 1 (0.7%) same-sex married couples or partnerships. 25 households (18.5%) were made up of individuals, and 10 (7.4%) had someone living alone who was 65 years of age or older. The average household size was 2.56. There were 98 families (72.6% of all households); the average family size was 2.86.

The population was spread out, with 56 people (16.2%) under the age of 18, 30 people (8.7%) aged 18 to 24, 74 people (21.4%) aged 25 to 44, 123 people (35.7%) aged 45 to 64, and 62 people (18.0%) who were 65 years of age or older. The median age was 47.4 years. For every 100 females, there were 84.5 males. For every 100 females age 18 and over, there were 97.9 males.

There were 143 housing units at an average density of 17.6 per square mile (6.8/km2), of which 65.9% were owner-occupied and 34.1% were occupied by renters. The homeowner vacancy rate was 0%; the rental vacancy rate was 2.1%. 63.8% of the population lived in owner-occupied housing units and 36.2% lived in rental housing units.

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