Pleasant Hill

34,613

Total Population in 2020

In 2020, Pleasant Hill was home to 34,613 people. Residents were predominantly working age, while those under 18 were a larger segment of the community than those 65 and older. The population was a majority white, with more women than men.

Most Populous Demographics

Category	Demographic	Total	Percentage
Age	18-64	21,256	61%
Sex	Female	17,920	52%
Race and Hispanic or Latino	White (Not Hispanic or Latino)	20,716	60%

Age

41.7

Median Age

In 2020, Pleasant Hill's population was a majority working-age adults, while those under age 18 were a moderately larger share of the community than those 65 and older. Looking at 10-year age ranges, 30-39 was the largest group.

Population by Age Range

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Population by Age Group

6,735

Under 18

21,256

18-64

6,622

65 and over

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Table: Population by Age Range

Age Range	Population in Pleasant Hill
Age Range	Total	Percentage
0-9	3,780	11%
10-19	3,704	11%
20-29	3,784	11%
30-39	5,138	15%
40-49	4,485	13%
50-59	4,750	14%
60-69	4,559	13%
70-79	2,797	8%
80+	1,616	5%

Table: Population by Age Group

Age Group	Population in Pleasant Hill
Age Group	Total	Percentage
Under 18	6,735	19%
18-64	21,256	61%
65 and over	6,622	19%

* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories.

Sex and Age

In 2020, females outnumbered males by a significant amount in Pleasant Hill. Females 30-39 were the largest group by age, followed by males 30-39 and females 60-69. The biggest gap was in the 80-and-older age group, where females were the larger share.

Population by Sex

16,693

Male

17,920

Female

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Population by Sex and Age

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Male

Female

Table: Population by Sex

Sex	Pleasant Hill
Sex	Total	Percentage
Male	16,693	48%
Female	17,920	52%

Table: Population by Sex and Age

Sex and Age	Pleasant Hill
Sex and Age	Total	Percentage
Male	16,693	48%
Male: 0-9	1,938	6%
Male: 10-19	1,914	6%
Male: 20-29	1,984	6%
Male: 30-39	2,512	7%
Male: 40-49	2,167	6%
Male: 50-59	2,279	7%
Male: 60-69	2,059	6%
Male: 70-79	1,274	4%
Male: 80+	566	2%
Female	17,920	52%
Female: 0-9	1,842	5%
Female: 10-19	1,790	5%
Female: 20-29	1,800	5%
Female: 30-39	2,626	8%
Female: 40-49	2,318	7%
Female: 50-59	2,471	7%
Female: 60-69	2,500	7%
Female: 70-79	1,523	4%
Female: 80+	1,050	3%

* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories.

Race and Hispanic or Latino

60%

White (Not Hispanic or Latino)

In 2020, Pleasant Hill had a majority white population. Asian residents also made up a notable segment of the community, while Hispanic and other/multiracial people were the next largest groups.

Population by Race and Hispanic or Latino

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Table: Population by Race and Hispanic or Latino

Race and Hispanic or Latino	Population in Pleasant Hill
Race and Hispanic or Latino	Total	Percentage
White	20,716	60%
Black or African American	872	3%
American Indian / Alaska Native	90	<1%
Asian	5,241	15%
Native Hawaiian / Pacific Islander	102	<1%
Other / Multi-racial	2,635	8%
Hispanic or Latino (any race)	4,957	14%

* Categorized as Not Hispanic. This means that all the racial groups marked with an asterisk — White, Black or African American, American Indian / Alaska Native, Asian, Native Hawaiian / Pacific Islander, and Other / Multi-racial — do not include individuals who identify as Hispanic or Latino. The "Hispanic or Latino (any race)" category is separate, as Hispanic/Latino is considered an ethnicity rather than a racial category. For the chart above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P5 Hispanic or Latino Origin by Race.