Colusa County

administration
Colusa County Courthouse (1908)
US state :	California
Administrative headquarters :	Colusa
Foundation :	1850
Demographics
Residents :	21,419 (2010)
Population density :	7.2 inhabitants / km ²
geography
Total area :	2995 km²
Water surface :	14 km²
map

Website : www.colusacountyclerk.com

The Colusa County is a county in the north of the State of California of the United States . The county seat is in Colusa .

history

The county was founded in 1850, making it one of the earliest counties in California. In 1856 and 1891 parts were given to Tehama County and Glenn County . The name Colusa is derived from a Native American tribe who lived on the west side of the Sacramento River .

6 of the county's structures are on the National Register of Historic Places .

Demographic data

growth of population
Census	Residents	± in%
1850	115	-
1860	2274	1,877.4%
1870	6165	171.1%
1880	13,118	112.8%
1890	14,640	11.6%
1900	7364	-49.7%
1910	7732	5%
1920	9290	20.2%
1930	10,258	10.4%
1940	9788	-4.6%
1950	11,651	19%
1960	12,075	3.6%
1970	12,430	2.9%
1980	12,791	2.9%
1990	16,275	27.2%
2000	18,804	15.5%
2010	21,419	13.9%
Before 1900 1900–1990 2000 + 2010

Colusa County had a population of 18,804 as of the 2000 census . There were 6,097 households and 4,578 families. The population density was 6 people per square kilometer. The racial the population was composed of 64.29% White, 0.55% African American, 2.33% Native American, 1.21% Asian, 0.39% Pacific Islander, and 26.68% other races Groups; 4.54% were from two or more races. Hispanic or Latino of any race was 46.54% of the population.

41.40% of the 6,097 households had children and adolescents under the age of 18 living with them. 59.60% were married couples living together, 9.60% were single mothers. 24.90% were not families. 21.50% were single households and 10.10% had someone who was 65 years of age or older. The average household size was 3.01 and the average family size was 3.51 people.

For the entire county, the population was composed of 31.60% of residents under 18 years of age, 10.30% between 18 and 24 years of age, 26.90% between 25 and 44 years of age, 19.80% between 45 and 64 years of age 11.40% were 65 years of age or over. The median age was 32 years. For every 100 females there were 103.40 males, and for every 100 females aged 18 and over there were 103.80 males.

The median income for a household in the county is $ 35,062 , and the median income for a family is $ 40,138. Males had a median income of $ 32,210 versus $ 21,521 for females. The per capita income was $ 14,730. 16.10% percent of the population and 13.00% of families are below the poverty line. 19.50% of these were under 18 years of age and 8.20% were 65 years of age or older.