Colusa County CA Information


Colusa County Subdivisions

Colusa County CA Data & Demographics (As of July 1, 2018)


Total Population 22,665
Population in Households 22,404
Population in Familes 19,625
Population in Group Qrtrs 261
Population Density1 20
Diversity Index2 80


Median Household Income $52,152
Average Household Income $69,629
Per Capita Income $23,029


Total Housing Units 8,322 (100%)
Owner Occupied HU 4,608 (55.4%)
Renter Occupied HU 2,823 (33.9%)
Vacant Housing Units 891 (10.7%)
Median Home Value $229,426
Average Home Value $274,072


Total Households 7,431
Average Household Size 3.01
Family Households 5,568
Average Family Size 4
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.69% 0.74%
Households 0.63% 0.72%
Families 0.63% 0.72%
Median Household Income   2.34%
Per Capita Income   2.45%


Colusa County CA - Peer Comparisons by Rank and Percentile

The table below compares Colusa County to the other 58 counties and county equivalents in California by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 50 16th
Population Density # 48 19th
Diversity Index # 17 74th
Median Household Income # 36 40th
Per Capita Income # 48 19th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.