Sierra County, California Population 2024

3,178

Sierra County, California's estimated 2024 population is 3,178 with a growth rate of -0.69% in the past year according to the most recent United States census data. Sierra County, California is the 57th largest county in California. The 2010 population was 3,220 and has seen a growth of -1.3% since that time.

Note: data after 2022 is projected based on recent change

34 Rows

Year
Population
Growth
Change
20293,068-22-0.71%
20283,090-22-0.71%
20273,112-22-0.7%
20263,134-22-0.7%
20253,156-22-0.69%
20243,178-22-0.69%
20233,200-22-0.68%
20223,222-72-2.19%
20213,294692.14%
20203,2252668.99%
20192,959-2-0.07%
20182,961-47-1.56%
20173,008521.76%
20162,956-34-1.14%
20152,990140.47%
20142,976-55-1.81%
20133,031-37-1.21%
20123,068-32-1.03%
20113,100-120-3.73%
20103,22000%
19903,3182457.97%
19803,07370829.94%
19702,3651185.25%
19602,247-163-6.76%
19502,410-615-20.33%
19403,02560324.9%
19302,42263935.84%
19201,783-2,315-56.49%
19104,098812.02%
19004,017-1,034-20.47%
18905,051-1,572-23.74%
18806,6231,00417.87%
18705,619-5,768-50.65%
186011,3878,319271.15%
2024 Growth Rate
-0.69% (-22)
County Website
Sierra County
County Seat
Downieville
2020 Population
3,225
Area
953 mi²
Density
3 people/mi²
Growth Since 2020
-1.46% (-47)

Population by Race

Race
Population
Percentage (of total)
White2,60089.16%
Other race1475.04%
Two or more races842.88%
Native American782.67%
Black or African American70.24%
Asian00%
Native Hawaiian or Pacific Islander00%

White

Other race

Two or more races

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Sierra County, California Population by Race

Sierra County, California Population Pyramid 2024

Sierra County, California Median Age

54.9

Total

55.8

Male

50.2

Female

Sierra County, California Adults

There are 2,510 adults, (909 of whom are seniors) in Sierra County, California.

Sierra County, California Age Dependency

82.1

Age Dependency Ratio

56.8

Old Age Dependency Ratio

25.4

Child Dependency Ratio

Sierra County, California Sex Ratio

Female1,50551.61%
Male1,41148.39%

Sierra County, California Population by Age

Sierra County, California Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,1352.5182.817.2
Married6312.696.23.8
Non Family416067.832.2
Male618.5749.250.8
Female279.9677.822.2

3.22

Average Family Size

2.51

Average Household Size

82.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Sierra County, California Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade813.6%
Associates Degree1908.45%
Bachelors Degree26511.78%
Graduate Degree27212.09%
High School Graduate74333.04%
Less Than 9th Grade642.85%
Some College63428.19%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Sierra County, California Educational Attainment by Sex (over 25)

Sierra County, California Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White2,0341,961481
Hispanic1578541
2+ Races846938
Native American78270
Black770
Other Race710

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 45.24%.

Sierra County, California Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$0$68,558$0
Graduate Degree$49,987$0$49,247
High School Graduate$0$74,875$0
Less Than 9th Grade$21,054$0$2,499
Overall$48,091$48,615$47,750
Some College$38,576$48,038$0

$48,091

Average Earnings

$48,615

Average Male

$47,750

Average Female

Sierra County, California Earnings by Educational Attainment

Sierra County, California Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sierra County, California Language

86.01% of Sierra County, California residents speak only English, while 13.99% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.63% of the population.

Sierra County, California Language

Sierra County, California Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White2,48633013.27%
Native782734.62%
Hispanic31720.63%

12.58%

Overall Poverty Rate

11.72%

Male Poverty Rate

13.38%

Female Poverty Rate

Poverty in Sierra County, California

The race most likely to be in poverty in Sierra County, California is Native, with 34.62% below the poverty level.

The race least likely to be in poverty in Sierra County, California is Hispanic, with 0.63% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.17%. Among those working part-time, it was 2.62%, and for those that did not work, the poverty rate was 23.6%.

Sierra County, California Poverty

rate

Rate
Poverty
High School24.4%
Some College9.88%
Less Than 9th Grade9.23%
Bachelors or Greater0%

Sierra County, California Poverty Rate by Education

rate

Rate
Poverty
Male Employed3.64%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

Sierra County, California Poverty Rate by Employment Status and Sex

Sierra County, California Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$73,917$107,177
Households$61,108$89,205
Married Families$83,558$-999,999,999
Non Families$40,473$54,727

mean

median

Income by Household Type

Sierra County, California Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

54.5%

Overall Marriage Rate

57.1%

Male Marriage Rate

52.1%

Female Marriage Rate

Sierra County, California Married by Age and Sex

male

female

Sierra County, California Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Sierra County, California Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Sierra County, California Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

218

Number of Veterans

218

Male Veterans

0

Female Veterans

War
Veterans
Vietnam125
Second Gulf War8
Korea5
First Gulf War0
World War II0

Sierra County, California Veterans by War

count

Age Group
Veterans
65 to 74121
75+64
55 to 6419
35 to 5414
18 to 340

Sierra County, California Veterans by Age

count

Name
Veterans
% of Total
White2180.09753914988814318

Sierra County, California Veterans by Race

Sierra County, California Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

10.55%

Veteran Disability Rate

Sierra County, California Veterans by Education

LaborForceParticipation

51.9%

Labor Force Participation

49%

Employment Rate

5.6%

Unemployment Rate

Sierra County, California Employment by Age

LaborForceParticipation

Sierra County, California Employment by Race

LaborForceParticipation

Sierra County, California Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

62.65%

Born in Sierra County, California

97.39%

Native Born

2.61%

Foreign Born

2.3%

Non Citizen

0.31%

Naturalized

Place of Birth

97.39% of Sierra County, California residents were born in the United States, with 62.65% having been born in California. 2.3% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Sierra County, California Place of Birth

Sources