Placer County, California Population 2024

429,048

Placer County, California's estimated 2024 population is 429,048 with a growth rate of 1.3% in the past year according to the most recent United States census data. Placer County, California is the 21st largest county in California. The 2010 population was 350,007 and has seen a growth of 22.58% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029456,4835,4871.22%
2028450,9965,4871.23%
2027445,5095,4871.25%
2026440,0225,4871.26%
2025434,5355,4871.28%
2024429,0485,4871.3%
2023423,5615,4871.31%
2022418,0745,0271.22%
2021413,0477,1201.75%
2020405,9277,0091.76%
2019398,9186,1831.57%
2018392,7357,3871.92%
2017385,3486,3021.66%
2016379,0466,1761.66%
2015372,8703,6290.98%
2014369,2413,8261.05%
2013365,4155,1461.43%
2012360,2693,9461.11%
2011356,3236,3161.8%
2010350,00700%
1990172,79655,54947.38%
1980117,24739,94151.67%
197077,30620,30835.63%
196056,99815,34936.85%
195041,64913,54148.17%
194028,1083,64014.88%
193024,4685,88431.66%
192018,5843471.9%
191018,2372,45115.53%
190015,7866854.54%
189015,1018696.11%
188014,2322,87525.31%
187011,357-1,913-14.42%
186013,270-443,213-97.09%
2024 Growth Rate
1.3% (5,487)
County Website
Placer County
County Seat
Auburn
2020 Population
405,927
Area
1407 mi²
Density
305 people/mi²
Growth Since 2020
5.7% (23,121)

Population by Race

Race
Population
Percentage (of total)
White306,61575.41%
Two or more races41,09610.11%
Asian35,4658.72%
Other race14,3893.54%
Black or African American6,5791.62%
Native American1,8380.45%
Native Hawaiian or Pacific Islander6260.15%

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Placer County, California Population by Race

Placer County, California Population Pyramid 2024

Placer County, California Median Age

42.3

Total

40.9

Male

43.7

Female

Placer County, California Adults

There are 317,418 adults, (81,151 of whom are seniors) in Placer County, California.

Placer County, California Age Dependency

72.1

Age Dependency Ratio

34.3

Old Age Dependency Ratio

37.7

Child Dependency Ratio

Placer County, California Sex Ratio

Female206,28250.73%
Male200,32649.27%

Placer County, California Population by Age

Placer County, California Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All152,5372.6373.826.2
Married87,5033.2184.115.9
Non Family44,9331.2760.739.3
Female13,3243.235743
Male6,7772.9660.639.4

3.13

Average Family Size

2.63

Average Household Size

73.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Placer County, California Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade8,8603.09%
Associates Degree32,25411.24%
Bachelors Degree79,37327.66%
Graduate Degree42,39714.78%
High School Graduate49,81917.36%
Less Than 9th Grade5,6361.96%
Some College68,57623.9%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Placer County, California Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White208,976201,11089,671
Hispanic35,40530,5589,670
Asian24,63423,47515,295
2+ Races21,45520,1377,146
Other Race9,7417,8842,619
Black4,5794,4231,986
Native American1,4111,142396
Islander572498199

The highest rate of high school graduation is among black people with a rate of 96.59%.

The highest rate of bachelors degrees is among asian people with a rate of 62.09%.

Placer County, California Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$89,380$110,076$70,284
Graduate Degree$110,604$125,915$93,176
High School Graduate$44,446$51,468$35,005
Less Than 9th Grade$32,549$38,266$20,552
Overall$68,804$82,362$55,480
Some College$55,274$68,387$44,399

$68,804

Average Earnings

$82,362

Average Male

$55,480

Average Female

Placer County, California Earnings by Educational Attainment

Placer County, California Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Placer County, California Language

84.03% of Placer County, California residents speak only English, while 15.97% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.41% of the population.

Placer County, California Language

Placer County, California Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White277,83117,0966.15%
Hispanic59,7626,71311.23%
Multiple40,8362,9387.19%
Other14,1292,27416.09%
Asian35,1631,3843.94%
Black6,3494847.62%
Native1,77219511%
Islander589366.11%

6.81%

Overall Poverty Rate

6.25%

Male Poverty Rate

7.35%

Female Poverty Rate

Poverty in Placer County, California

The race most likely to be in poverty in Placer County, California is Other, with 16.09% below the poverty level.

The race least likely to be in poverty in Placer County, California is Asian, with 3.94% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.27%. Among those working part-time, it was 7.63%, and for those that did not work, the poverty rate was 12.59%.

Placer County, California Poverty

rate

Rate
Poverty
Less Than 9th Grade21.09%
High School10.93%
Some College6.6%
Bachelors or Greater3%

Placer County, California Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed18.65%
Male Unemployed13.34%
Female Employed3.77%
Male Employed2.6%

Placer County, California Poverty Rate by Employment Status and Sex

Placer County, California Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$131,178$162,846
Households$109,375$140,703
Married Families$146,943$178,848
Non Families$57,561$81,962

mean

median

Income by Household Type

Placer County, California Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

56.1%

Overall Marriage Rate

58.6%

Male Marriage Rate

53.7%

Female Marriage Rate

Placer County, California Married by Age and Sex

male

female

Placer County, California Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Placer County, California Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Placer County, California Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

24,933

Number of Veterans

22,755

Male Veterans

2,178

Female Veterans

War
Veterans
Vietnam9,145
Second Gulf War5,280
First Gulf War5,217
Korea2,016
World War II734

Placer County, California Veterans by War

count

Age Group
Veterans
75+7,674
65 to 746,181
35 to 545,665
55 to 643,554
18 to 341,859

Placer County, California Veterans by Age

count

Name
Veterans
% of Total
White21,2848.68%
Hispanic2,3475.63%
2+ Races1,7256.69%
Asian8253.04%
Black5189.99%
Other Race3823.47%
Native American1399.16%
Islander609.58%

Placer County, California Veterans by Race

Placer County, California Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.05%

Veteran Poverty Rate

28.49%

Veteran Disability Rate

Placer County, California Veterans by Education

LaborForceParticipation

60.8%

Labor Force Participation

57.9%

Employment Rate

4.3%

Unemployment Rate

Placer County, California Employment by Age

LaborForceParticipation

Placer County, California Employment by Race

LaborForceParticipation

Placer 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

64.69%

Born in Placer County, California

87.99%

Native Born

12.01%

Foreign Born

4.33%

Non Citizen

7.68%

Naturalized

Place of Birth

87.99% of Placer County, California residents were born in the United States, with 64.69% having been born in California. 4.33% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Placer County, California Place of Birth

Sources