

There were 872 housing units at an average density of 205.7 per square mile, of the occupied units 388 (48.6%) were owner-occupied and 410 (51.4%) were rented. For every 100 females age 18 and over, there were 81.1 males. For every 100 females, there were 84.2 males. There were 413 families (51.8% of households) the average family size was 2.77. 314 households (39.3%) were one person and 93 (11.7%) had someone living alone who was 65 or older. There were 63 (7.9%) unmarried opposite-sex partnerships, and 5 (0.6%) same-sex married couples or partnerships. There were 798 households, 183 (22.9%) had children under the age of 18 living in them, 300 (37.6%) were opposite-sex married couples living together, 85 (10.7%) had a female householder with no husband present, 28 (3.5%) had a male householder with no wife present. The census reported that 1,673 people (96.8% of the population) lived in households, no one lived in non-institutionalized group quarters and 55 (3.2%) were institutionalized.

The racial makeup of Quincy was 1,500 (86.8%) White, 132 people (7.6%) Hispanic or Latino of any race, 37 (2.1%) Black, 29 (1.7%) Native American, 19 (1.1%) Asian, 2 (0.1%) Pacific Islander, 66 (3.8%) from other races, and 75 (4.3%) from two or more races. The population density was 407.6 inhabitants per square mile (157.4/km 2). Although summer days are hot and only 1.4 days per winter fail to top 32 ☏ (0 ☌), nights can be very cold and frosts occur on 179 days per year and have been recorded even in July.Ĭlimate data for Quincy, California, 1991–2020 normals, extremes 1895–presentĪt the 2010 census Quincy had a population of 1,728. Quincy has a Mediterranean climate ( Köppen Csb) though its inland location and altitude makes it more continental and wetter than usual for this type, with very heavy snowfalls sometimes occurring in winter – the record being 133 inches (337.8 cm) in the very wet January 1916. Cultivated land north of the residential area lies on poorly drained loam, silt loam or fine sandy loam. Its dominant silica-rich clastic material weathers to a stony coarse soil which includes the well or somewhat excessively drained alluvial fan material (mainly Forgay very gravelly sandy loam) on which most of Quincy's businesses and homes have been built. Quincy is underlain by metasedimentary rock of the Shoo Fly Complex. Īccording to the United States Census Bureau, the CDP has a total area of 4.2 square miles (11 km 2), all of it is land. The Quincy post office opened in 1855, and the town was formally recognized in 1858.

He laid out the town and named it after his farm in Illinois that had been named for John Quincy Adams (1767–1848), the sixth president of the United States (1825–1829). Bradley, who helped organize Plumas County, donated land there for the county seat. Started in 1852, Elizabethtown slowly faded.ĭevelopment moved a mile away into the American Valley after settler James H. Quincy started as a Gold Rush town, associated with the former Elizabethtown, California. Quincy is on the current and ancestral lands of the Maidu people. The population was 1,630 during the 2020 Census, down from 1,728 during the 2010 Census, and 1,879 during the 2000 Census. Quincy (formerly Quinsy) is a census-designated place and the county seat of Plumas County, California.
