Siskiyou County, California Population 2021

Siskiyou County, California's estimated population is 43,517 with a growth rate of -0.03% in the past year according to the most recent United States census data. Siskiyou County, California is the 46th largest county in California. The 2010 Population was 44,938 and has seen a growth of -3.16% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202143,517-11-0.03%
202043,528-11-0.03%
201943,539-11-0.03%
201843,550-72-0.17%
201743,6222460.57%
201643,3761220.28%
201543,254-84-0.19%
201443,338-194-0.45%
201343,532-547-1.24%
201244,079-536-1.20%
201144,615-323-0.72%
201044,9381,4073.23%
199043,5313,7999.56%
198039,7326,50719.58%
197033,2253401.03%
196032,8852,1527.00%
195030,7332,1357.47%
194028,5983,11812.24%
193025,4806,93537.40%
192018,545-256-1.36%
191018,8011,83910.84%
190016,9624,79939.46%
189012,1633,55341.27%
18808,6101,76225.73%
18706,848-781-10.24%
18607,6290.00%
2021 Growth Rate
-0.03%
County Website
County Seat
2010 Population
44,938
Growth (since 2010)
-3.16%
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Siskiyou County, California Population Growth

Population by Race

Race Population Percentage
White36,84784.77%
Two or More Races2,8076.46%
American Indian and Alaska Native1,6183.72%
Asian7081.63%
Black or African American6951.60%
Some Other Race6361.46%
Native Hawaiian and Other Pacific Islander1570.36%
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Siskiyou County, California Population by Race

Siskiyou County, California Population Pyramid 2021

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Siskiyou County, California Median Age

47.8


Total

46.1


Male

49.4


Female

Siskiyou County, California Adults

There are 34,642 adults, (10,732 of whom are seniors) in Siskiyou County, California.

Siskiyou County, California Age Dependency

81.8

Age Dependency Ratio

44.9

Old Age Dependency Ratio

36.9

Child Dependency Ratio

Siskiyou County, California Sex Ratio

Female

21,760

50.06%

Male

21,708

49.94%

Siskiyou County, California Population by Age

Siskiyou County, California Renter vs Owner Occupied by Household Type

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Siskiyou County, California Household Types

Type Owner Renter
Married77.4%22.6%
All65%35%
Male59.6%40.4%
Non Family57%43%
Female43%57%

65.0%

Rate of Home Ownership

Siskiyou County, California Households and Families

Type Count Average Size Owned
All19,2402.2365
Married8,6502.8377.4
Non Family7,8441.2357
Female1,7823.1543
Male9643.2959.6

2.81

Average Family Size

2.23

Average Household Size

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Siskiyou County, California Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,0783.40%
9th to 12th Grade2,0176.37%
High School Graduate8,07425.48%
Some College9,50430.00%
Associates Degree3,66611.57%
Bachelors Degree4,85915.34%
Graduate Degree2,4847.84%
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Siskiyou County, California Educational Attainment by Sex (over 25)

Siskiyou County, California Educational Attainment by Race

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Name Total High School Bachelors
White25,68823,9416,484
Hispanic3,0082,241450
Multiple Races1,2541,095242
Native American1,13290196
Black48144929
Asian471313100
Other Race44528414
Islander8871

The highest rate of high school graduation is among black people with a rate of 93.35%.

The highest rate of bachelors degrees is among white people with a rate of 25.24%.

Siskiyou County, California Educational Attainment by Race

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Name Average Male Female
Overall$30,910$36,179$26,039
Less Than High School$19,384$21,163$13,661
High School Grad$28,646$33,198$21,986
Some College$28,491$38,793$22,190
Bachelors Degree$39,399$51,047$37,633
Graduate Degree$54,320$72,344$46,875

$30,910

Average Earnings

$36,179

Average Male

$26,039

Average Female

Siskiyou County, California Earnings by Educational Attainment

Siskiyou County, California Language by Age

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Siskiyou County, California Language

91.12% of Siskiyou County, California residents speak only English, while 8.88% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.28% of the population.

Siskiyou County, California Language

Siskiyou County, California Poverty by Race

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Name Total In Poverty Poverty Rate
White32,8455,22215.90%
Hispanic5,3931,57929.28%
Multiple2,74683630.44%
Native1,61748630.06%
Black67426539.32%
Asian70017224.57%
Other62915324.32%
Islander1522818.42%

18.81%

Overall Poverty Rate

17.63%

Male Poverty Rate

19.98%

Female Poverty Rate

Poverty in Siskiyou County, California

The race most likely to be in poverty in Siskiyou County, California is Black, with 39.32% below the poverty level.

The race least likely to be in poverty in Siskiyou County, California is White, with 15.90% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.21%. Among those working part-time, it was 20.38%, and for those that did not work, the poverty rate was 24.21%.

Siskiyou County, California Poverty

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Name Poverty
Less Than High School34.36%
High School19.81%
Some College15.35%
Bachelors or Greater7.28%

Siskiyou County, California Poverty Rate by Education

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Name Poverty
Female Unemployed49.91%
Male Unemployed39.16%
Female Employed10.04%
Male Employed7.87%

Siskiyou County, California Poverty Rate by Employment Status and Sex

Siskiyou County, California Income by Household Type

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Name Median Mean
Households$45,241$64,251
Families$56,377$74,063
Married Families$67,083$84,994
Non Families$28,213$47,223
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Income by Household Type

Siskiyou County, California Marital Status

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Marriage Rates

50.6%

Overall Marriage Rate

50.8%

Male Marriage Rate

50.5%

Female Marriage Rate

Siskiyou County, California Married by Age and Sex

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Siskiyou County, California Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Siskiyou County, California Marital Status by Race

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Siskiyou County, California Marital Status

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3,871

Number of Veterans

3,632

Male Veterans

239

Female Veterans

War Veterans
Vietnam1,822
First Gulf War488
Korea418
Second Gulf War352
World War II83

Siskiyou County, California Veterans by War

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Age Group Veterans
65 to 741,272
75+1,113
55 to 64709
35 to 54671
18 to 34106

Siskiyou County, California Veterans by Age

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Name Veterans % of Total
White3,37811.21%
Hispanic2316.40%
Black17431.69%
2 or More15410.02%
Indian1139.13%
Asian356.58%
Other142.72%
Hawaiian32.75%

Siskiyou County, California Veterans by Race

Siskiyou County, California Veterans by Education

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10.18%

Veteran Poverty Rate

44.90%

Veteran Disability Rate

Siskiyou County, California Veterans by Education

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49.9%

Labor Force Participation

46.3%

Employment Rate

7.1%

Unemployment Rate

Siskiyou County, California Employment by Age

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Siskiyou County, California Employment by Race

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Siskiyou County, California Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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65.40%

Born in California

94.59%

Native Born

5.41%

Foreign Born

2.14%

Non Citizen

3.28%

Naturalized

Place of Birth

94.59% of Siskiyou County, California residents were born in the United States, with 65.40% having been born in California. 2.14% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Siskiyou County, California Place of Birth

  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

Sources