Colusa County Population 2018

Colusa County's estimated population is 21,805 with a growth rate of 0.74% in the past year according to the most recent United States census data. Colusa County is the 50th largest county in California.

Year Population Growth Growth Rate
201721,8051600.74%
201621,6453041.42%
201521,341730.34%
201421,268-68-0.32%
201321,336-14-0.07%
201221,350-16-0.07%
201121,366-87-0.41%
201021,4535,17831.82%
199016,2753,48427.24%
198012,7913612.90%
197012,4303552.94%
196012,0754243.64%
195011,6511,86319.03%
19409,788-470-4.58%
193010,25896810.42%
19209,2901,55820.15%
19107,7323685.00%
19007,364-7,276-49.70%
189014,6401,52211.60%
188013,1186,953112.78%
18706,1653,891171.11%
18602,2742,1591877.39%
18501150.00%

Colusa County Population Growth

Population Data via

Colusa County Race Data

Race Population Percentage
White19,47689.32%
American Indian and Alaska Native5752.64%
Two or More Races5042.31%
Asian3801.74%
Black or African American2661.22%
Native Hawaiian and Other Pacific Islander1170.54%

Colusa County Population Pyramid

0k0k0k1k1k1k Male Population0k0k0k1k1k1k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990