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Quincy
Quincy
census-designated place
	Motto: "Heart of the Feather River Country"
	Location in Plumas County and the state of California
	Quincy Location in the United States
	Coordinates: 39°56′11″N 120°56′53″W / 39.93639°N 120.94806°W
Country	United States
State	California
County	Plumas
Area
• Total	4.224 sq mi (10.94 km2)
• Land	4.224 sq mi (10.94 km2)
• Water	0 sq mi (0 km2) 0%
Elevation	3,432 ft (1,046 m)
Population (2020)
• Total	1,630
• Density	390/sq mi (150/km2)
Time zone	UTC-8 (Pacific (PST))
• Summer (DST)	UTC-7 (PDT)
ZIP code	95971
Area code	530 Exchange: 283
FIPS code	06-59080
GNIS feature ID	265113
Website	Quincy California Chamber of Commerce

Quincy (formerly Quinsy)^[5] is a census-designated place and the county seat of Plumas County, California.^[6] The population was 1,630 during the 2020 Census,^[7] down from 1,728 during the 2010 Census, and 1,879 during the 2000 Census.^[8]

History

Quincy started as a Gold Rush town, associated with the former Elizabethtown, California. Starting in 1852, Elizabethtown slowly faded.

Development moved a mile away into the American Valley after settler James H. Bradley, who helped organize Plumas County, donated land there for the county seat. He laid out the town and named it after his farm in Illinois^[5] that had been named for John Quincy Adams (1767–1848), the sixth president of the United States (1825–1829).^[9]

The Quincy post office opened in 1855,^[5] and the town was formally recognized in 1858.

Geography and climate

Quincy is located at 39°56′11″N 120°56′53″W / 39.93639°N 120.94806°W / 39.93639; -120.94806 (39.936279, −120.947921).^[10]

According to the United States Census Bureau, the CDP has a total area of 4.2 square miles (11 km²), all of it is land.

Quincy is underlain by metasedimentary rock of the Shoo Fly Complex.^[11] 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. Cultivated land north of the residential area lies on poorly drained loam, silt loam or fine sandy loam.^[12]

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.^[13]^[14] Although summer days are hot and only 1.4 days per winter fail to top 32 °F (0 °C), nights can be very cold and frosts occur on 179 days per year and have been recorded even in July.

Climate data for Quincy, California, 1991–2020 normals, extremes 1895–present
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °F (°C)	74 (23)	80 (27)	85 (29)	89 (32)	100 (38)	105 (41)	111 (44)	111 (44)	110 (43)	98 (37)	86 (30)	76 (24)	111 (44)
Mean maximum °F (°C)	57.6 (14.2)	64.4 (18.0)	73.4 (23.0)	81.1 (27.3)	89.2 (31.8)	96.0 (35.6)	100.7 (38.2)	100.2 (37.9)	95.3 (35.2)	85.4 (29.7)	68.3 (20.2)	56.3 (13.5)	102.6 (39.2)
Mean daily maximum °F (°C)	45.4 (7.4)	49.9 (9.9)	56.8 (13.8)	63.3 (17.4)	72.7 (22.6)	81.2 (27.3)	90.0 (32.2)	89.1 (31.7)	83.4 (28.6)	70.1 (21.2)	54.0 (12.2)	44.4 (6.9)	66.7 (19.3)
Daily mean °F (°C)	35.2 (1.8)	38.0 (3.3)	43.0 (6.1)	47.6 (8.7)	55.7 (13.2)	62.3 (16.8)	68.8 (20.4)	67.1 (19.5)	61.6 (16.4)	51.4 (10.8)	41.1 (5.1)	34.9 (1.6)	50.6 (10.3)
Mean daily minimum °F (°C)	25.2 (−3.8)	26.1 (−3.3)	29.1 (−1.6)	32.0 (0.0)	38.6 (3.7)	43.3 (6.3)	47.7 (8.7)	45.1 (7.3)	39.8 (4.3)	32.6 (0.3)	28.4 (−2.0)	25.4 (−3.7)	34.4 (1.4)
Mean minimum °F (°C)	14.7 (−9.6)	17.0 (−8.3)	20.7 (−6.3)	24.1 (−4.4)	29.7 (−1.3)	34.7 (1.5)	40.4 (4.7)	37.9 (3.3)	32.0 (0.0)	24.0 (−4.4)	17.7 (−7.9)	13.7 (−10.2)	9.8 (−12.3)
Record low °F (°C)	−24 (−31)	−16 (−27)	0 (−18)	12 (−11)	20 (−7)	25 (−4)	23 (−5)	20 (−7)	15 (−9)	10 (−12)	−3 (−19)	−24 (−31)	−24 (−31)
Average precipitation inches (mm)	7.65 (194)	7.59 (193)	6.66 (169)	3.14 (80)	1.94 (49)	0.71 (18)	0.10 (2.5)	0.14 (3.6)	0.42 (11)	1.94 (49)	4.06 (103)	7.32 (186)	41.67 (1,058.1)
Average snowfall inches (cm)	14.0 (36)	12.3 (31)	9.0 (23)	1.6 (4.1)	0.0 (0.0)	0.0 (0.0)	0.0 (0.0)	0.0 (0.0)	0.0 (0.0)	0.1 (0.25)	2.7 (6.9)	9.7 (25)	49.4 (126.25)
Average extreme snow depth inches (cm)	9 (23)	7 (18)	6 (15)	1 (2.5)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	1 (2.5)	3 (7.6)	17 (43)
Average precipitation days (≥ 0.01 inch)	12.0	11.1	12.0	9.1	6.7	3.1	0.6	0.9	1.6	5.1	8.3	12.2	82.7
Average snowy days (≥ 0.1 in)	2.9	2.6	2.0	0.8	0.0	0.0	0.0	0.0	0.0	0.1	0.7	2.5	11.6
Source 1: NOAA^[15]
Source 2: National Weather Service^[16]

Demographics

2010

At the 2010 census Quincy had a population of 1,728. The population density was 407.6 inhabitants per square mile (157.4/km²). The racial makeup of Quincy was 1,500 (86.8%) White, 132 (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.^[17]

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.

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. There were 63 (7.9%) unmarried opposite-sex partnerships, and 5 (0.6%) same-sex married couples or partnerships. 314 households (39.3%) were one person and 93 (11.7%) had someone living alone who was 65 or older. The average household size was 2.10. There were 413 families (51.8% of households); the average family size was 2.77.

The age distribution was 341 people (19.7%) under the age of 18, 163 people (9.4%) aged 18 to 24, 350 people (20.3%) aged 25 to 44, 556 people (32.2%) aged 45 to 64, and 318 people (18.4%) who were 65 or older. The median age was 45.5 years. For every 100 females, there were 84.2 males. For every 100 females age 18 and over, there were 81.1 males.

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. The homeowner vacancy rate was 2.7%; the rental vacancy rate was 5.5%. 872 people (50.5% of the population) lived in owner-occupied housing units and 801 people (46.4%) lived in rental housing units.

2000

At the 2000 census there were 1,879 people, 858 households, and 479 families in the CDP. The population density was 443.4 inhabitants per square mile (171.2/km²). There were 899 housing units at an average density of 212.2 per square mile (81.9/km²). The racial makeup of the CDP was 90.9% White, 4.8% were Hispanic or Latino of any race, 1.5% African American, 2.2% Native American, 0.8% Asian, 0.1% Pacific Islander, 1.5% from other races, and 3.0% from two or more races.^[18]

Of the 858 households 27.3% had children under the age of 18 living with them, 40.2% were married couples living together, 12.7% had a female householder with no husband present, and 44.1% were non-families. 38.7% of households were one person and 13.8% were one person aged 65 or older. The average household size was 2.13 and the average family size was 2.79.

The age distribution was 23.9% under the age of 18, 8.6% from 18 to 24, 24.3% from 25 to 44, 25.8% from 45 to 64, and 17.4% 65 or older. The median age was 41 years. For every 100 females, there were 89.2 males. For every 100 females age 18 and over, there were 87.2 males.

The median household income was $30,508 and the median family income was $40,536. Males had a median income of $38,438 versus $27,411 for females. The per capita income for the CDP was $19,944. About 5.1% of families and 11.1% of the population were below the poverty line, including 11.3% of those under age 18 and 2.8% of those age 65 or over.

Education

Quincy's students attend the Quincy Elementary School and Quincy Junior-Senior High School. The schools come under the authority of the Plumas County Board of Education and the Plumas Unified School District. The 'Trojans' are the mascot for the Quincy Junior-Senior High School.^[19] Quincy is also home to Feather River College, a public community college.^[20]