|• Total||7.992 sq mi (20.699 km2)|
|• Land||7.992 sq mi (20.699 km2)|
|• Water||0 sq mi (0��km2) 0%|
|Elevation||3,586 ft (1,093 m)|
|• Density||140/sq mi (55/km2)|
|Time zone||UTC-8 (Pacific (PST))|
|• Summer (DST)||UTC-7 (PDT)|
|GNIS feature ID||1658666|
Greenville is a census-designated place (CDP) in Plumas County, California, United States, on the north-west side of Indian Valley. According to the United States Census Bureau, the CDP has a total area of 8.0 square miles (21 km2), all of it land. The population was 1,129 at the 2010 census, down from 1,160 at the 2000 census.
The Maidu people had been living in valley area around present-day Greenville for centuries when Anglo settlers arrived in the 1850s. Among the earliest structures built in the town was a boarding house operated by Mr. and Mrs. Green. The town was named for Green, who was killed in the collapse of the first Round Valley Dam. When Henry C. Bidwell arrived in 1862 and opened a trading post, several business owners moved down from Round Valley to Greenville.
A fire destroyed much of the town in 1881. Quickly rebuilt, Greenville's population in 1882 was 500.
This region experiences hot and dry summers with temps as high as 104 °F and cold sometimes wet winters, which can get as cold as 0 °F . According to the Köppen Climate Classification system, Greenville has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.
|U.S. Decennial Census|
At the 2010 census Greenville had a population of 1,129. The population density was 141.3 people per square mile (54.5/km2). The racial makeup of Greenville was 897 (79.5%) White, Hispanic or Latinx of any race were 109 people (9.7%), 1 (0.1%) African American, 133 (11.8%) Native American, 11 (1.0%) Asian, 0 (0.0%) Pacific Islander, 17 (1.5%) from other races, and 70 (6.2%) from two or more races. 
The whole population lived in households, no one lived in non-institutionalized group quarters and no one was institutionalized.
There were 496 households, 139 (28.0%) had children under the age of 18 living in them, 181 (36.5%) were opposite-sex married couples living together, 77 (15.5%) had a female householder with no husband present, 25 (5.0%) had a male householder with no wife present. There were 52 (10.5%) unmarried opposite-sex partnerships, and 3 (0.6%) same-sex married couples or partnerships. 171 households (34.5%) were one person and 67 (13.5%) had someone living alone who was 65 or older. The average household size was 2.28. There were 283 families (57.1% of households); the average family size was 2.91.
The age distribution was 256 people (22.7%) under the age of 18, 78 people (6.9%) aged 18 to 24, 227 people (20.1%) aged 25 to 44, 378 people (33.5%) aged 45 to 64, and 190 people (16.8%) who were 65 or older. The median age was 45.4 years. For every 100 females, there were 97.4 males. For every 100 females age 18 and over, there were 95.3 males.
There were 613 housing units at an average density of 76.7 per square mile, of the occupied units 251 (50.6%) were owner-occupied and 245 (49.4%) were rented. The homeowner vacancy rate was 4.9%; the rental vacancy rate was 9.2%. 583 people (51.6% of the population) lived in owner-occupied housing units and 546 people (48.4%) lived in rental housing units.
At the 2000 census there were 1,160 people, 496 households, and 308 families in the CDP. The population density was 145.4 people per square mile (56.1/km2). There were 581 housing units at an average density of 72.8 per square mile (28.1/km2). The racial makeup of the CDP was 84.05% White, 9.31% of the population were Hispanic or Latinx of any race, 0.09% Black or African American, 9.31% Native American, 0.26% Asian, 2.84% from other races, and 3.45% from two or more races. Of the 496 households 27.4% had children under the age of 18 living with them, 45.0% were married couples living together, 11.5% had a female householder with no husband present, and 37.9% were non-families. 33.1% of households were one person and 12.5% were one person aged 65 or older. The average household size was 2.30 and the average family size was 2.90.
The age distribution was 24.6% under the age of 18, 7.2% from 18 to 24, 25.0% from 25 to 44, 24.1% from 45 to 64, and 19.2% 65 or older. The median age was 41 years. For every 100 females, there were 92.1 males. For every 100 females age 18 and over, there were 91.5 males.
The median household income was $23,309 and the median family income was $26,354. Males had a median income of $27,143 versus $24,000 for females. The per capita income for the CDP was $11,659. About 13.9% of families and 21.0% of the population were below the poverty line, including 20.2% of those under age 18 and 10.2% of those age 65 or over.
Greenville's students attend the Indian Valley Elementary and Greenville Junior/Senior High Schools. The schools come under the authority of the Plumas County Board of Education and the Plumas Unified School District. The school's mascots are the 'Wolf Pack' for the elementary school and the 'Indians' for the Junior/Senior High School.
In the state legislature, Greenville is in the 1st Senate District, represented by Republican Brian Dahle, and the 1st Assembly District, represented by Republican Megan Dahle. Federally, Greenville is in California's 1st congressional district, represented by Republican Doug LaMalfa.
- Greenville Rancheria of Maidu Indians, headquartered in Greenville.
- U.S. Census Archived 2012-01-25 at the Wayback Machine
- "Greenville Walking Tour". Greenville, California: Indian Valley Chamber of Commerce. Retrieved July 21, 2017.
- Climate Summary for Greenville, California
- "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
- "2010 Census Interactive Population Search: CA - Greenville CDP". U.S. Census Bureau. Archived from the original on July 15, 2014. Retrieved July 12, 2014.
- "U.S. Census website". United States Census Bureau. Retrieved 2008-01-31.
- "Plumas County Office of Education". Retrieved April 28, 2017.
- "Senators". State of California. Retrieved March 10, 2013.
- "Members Assembly". State of California. Retrieved March 2, 2013.
- "California's 1st Congressional District - Representatives & District Map". Civic Impulse, LLC. Retrieved March 3, 2013.