Pleasant Hill, CA

City in Contra Costa County, CA, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

34,235

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

years ∙ half population younger than 42, half older

Diversity Index

63.6%

chance two random people differ in race and ethnicity

Nativity

18.8%

foreign-born population

81.2%Native

18.8% Foreign-born

Geographic Context

Location, size, and surroundings

About

Pleasant Hill is a city within Contra Costa County, California, United States.

Location

City in Contra Costa County, CA, US

Co-ordinates

DEC37.954163° N, 122.075772° W

DMS37° 57′ 14.99″ N, 122° 04′ 32.78″ W

Population Density & area

4,835/sq mi (1,869/km²)

Total Area

7.08 sq mi (18.32 km²)

Land Area

7.08 sq mi (18.32 km²) · 99.98%

Water Area

0 sq mi (0 km²) · 0.02%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

49.8% male

Male 49.8%

Female 50.2%

males per 100 females

Pleasant Hill 99.1

Contra Costa County 96.8

California 99.8

Nativity

18.8%

foreign-born population

81.2%Native

18.8% Foreign-born

% Foreign-born

Pleasant Hill 18.8%

Contra Costa County 26.6%

California 27%

Age Distribution

How the population is spread across age groups

Median Age

years ∙ half population younger than 42, half older

Pleasant Hill

Contra Costa County

40.5

California

37.9

Dependency ratio

60.9

dependents per 100 working-age adults

Pleasant Hill 60.9

Contra Costa County 64.1

California 60.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Pleasant Hill	Contra Costa County	California
Age Group
Children (Under 18)	20.2%	22%	22%
Working age (18-64)	62.2%	60.9%	62.3%
Senior (65+)	17.6%	17.1%	15.7%
Dependency ratio
Total dependency ratio	60.9	64.1	60.4
Child dependency ratio	32.6	36.1	35.2
Old-age dependency ratio	28.3	28.1	25.1

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

55.4%

Black

Asian

16.6%

Hispanic

14.7%

Other

9.3%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

63.6%

chance two random people differ in race and ethnicity

Pleasant Hill 63.6%

Contra Costa County 73.4%

California 69.6%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Pleasant Hill population

	Pleasant Hill	Contra Costa County	California
Hispanic or Latino	14.7%	27.6%	40.2%
Mexican	7.3%	18.1%	32.3%
Puerto Rican	0.7%	0.7%	0.6%
Cuban	0.2%	0.2%	0.3%
Other Hispanic / Latino	6.4%	8.7%	7%
Not Hispanic or Latino	85.3%	72.4%	59.8%
One race	77.5%	66.1%	55.4%
White	55.4%	38.1%	33.8%
Black or African American	4%	7.9%	5.2%
American Indian and Alaska Native	0.1%	0.2%	0.3%
Asian	16.6%	18.6%	15.3%
Native Hawaiian and Other Pacific Islander	0.6%	0.5%	0.3%
Some Other Race	0.8%	0.8%	0.6%
Two or more races (Multiracial)	7.8%	6.3%	4.4%

Household & Families Composition

Household size, type, and family structure

Household structure

66% family

Family 66%

Non family 34%

% family households

Pleasant Hill 66%

Contra Costa County 71.5%

California 67.8%

Average household size

2.53

persons per household

Pleasant Hill

2.53

Contra Costa County

2.78

California

2.84

Household & Family COMPOSITION

Households

Percentage of Pleasant Hill population

	Pleasant Hill	Contra Costa County	California
Total households	13,258	414,417	13,548,091
Average houshold size	2.53	2.78	2.84
Family households	8,750	296,218	9,191,176
Average family size	3.06	3.27	3.41
Married couple family	6,732	224,093	6,557,184
Other families	2,018	72,125	2,633,992
Male householder	633	22,037	857,732
Female householder	1,385	50,088	1,776,260
Non-family households	4,508	118,199	4,356,915
One-person households	3,463	91,534	3,289,307
Male householder	1,462	38,400	1,493,062
Senior (65+) living alone	401	14,034	460,668
Female householder	2,001	53,134	1,796,245
Senior (65+) living alone	1,177	29,906	886,142
Other living arrangements	1,045	26,665	1,067,608

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

13,939

housing units

Pleasant Hill 13,939

Contra Costa County 429,260

California 14,644,735

Occupancy status

95.1% occupied

Occupied 95.1%

Vacant 4.9%

vacancy rate

Pleasant Hill 4.9%

Contra Costa County 3.5%

California 7.5%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

70.2%

Single family houses

70.2%

Apartments in multi-unit structures

28.3%

Mobile homes

Boat, RV, van, etc

0.4%

Median Year Built

1972

Half of houses were built before 1972, and half after.

Historic ∙ 1939 or earlier

Postwar & mid-century ∙ 1940 - 1969

46.2%

Late 20th century ∙ 1970 - 1999

43.5%

Modern ∙ 2000 or later

9.2%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Pleasant Hill	Contra Costa County	California
Rooms per unit
Median rooms	5.5	5.7	5
1–3 rooms	17.9%	13.4%	21%
4–6 rooms	53.5%	50.6%	54.7%
7+ rooms	28.6%	35.8%	24.4%
Bedrooms
No bedroom / studio	4.6%	3%	5%
1 bedroom	11.2%	8.7%	13.2%
2 bedrooms	20.4%	21.9%	26.9%
3 bedrooms	39.9%	33.6%	32.8%
4+ bedrooms	23.9%	32.9%	22.1%
At a glance
Median year built	1972	1978	1976
Total housing units	13,939	429,260	14,644,735

Occupancy Profile

Who is inside and how they use it

Homeownership

62.6% owners

Renter-occupied 37.4%

Owner-occupied 62.6%

homeownership rate

Pleasant Hill 62.6%

Contra Costa County 68%

California 55.9%

Average household size

2.67

Owner-occupied

2.3

Renter-occupied

owner-occupied average size

Pleasant Hill 2.67

Contra Costa County 2.82

California 2.95

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Pleasant Hill	Contra Costa County	California
Total occupied units	13,258	414,417	13,548,091
Year moved in
2020 or later	25.4%	21%	23.4%
2010 to 2019	38.5%	40.5%	41.2%
2000 to 2009	12.3%	17.8%	17%
1999 or earlier	23.8%	20.6%	18.5%
Occupants per room
1.00 or fewer	98.9%	94.6%	91.8%
1.01 to 1.50	0.9%	3.4%	5%
1.51 or more	0.2%	2%	3.2%
Vehicles availability
No vehicles	4.9%	5.2%	7.1%
1 vehicle	31.5%	28.2%	30.7%
2 vehicles	38.4%	37.7%	36.3%
3 or more vehicles	25.2%	28.9%	25.8%
House heating fuel used
Gas	63.9%	68%	64.4%
Electricity	33.5%	28.3%	29.5%
Solar	0.9%	1.7%	1.2%
Fuel oil, kerosene etc	0%	0.1%	0.2%
All other fuels	0.3%	0.6%	1.6%
No fuel used	1.4%	1.3%	3%
Selected characteristics
Lacking complete plumbing	0.4%	0.4%	0.4%
Lacking complete kitchen	1.5%	0.7%	1.2%
No telephone service available	0.5%	0.7%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$1,077,100

owner-occupied units

Median value(USD)

Pleasant Hill

$1,077,100

Contra Costa County

$866,800

California

$734,700

Housing Cost Burden

28.9%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

28.9%

Owners without a mortgage

13.6%

Renters

57.7%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Pleasant Hill	Contra Costa County	California
Property value
Median Value	$1,077,100	$866,800	$734,700
Under $100,000	2.1%	2.6%	4.2%
$100,000 - $200,000	1.5%	1.4%	2.7%
$200,000 - $300,000	0%	1.4%	4.3%
$300,000 - $500,000	2.3%	8.7%	17.1%
$500,000 - $1,000,000	34.2%	47.8%	42.1%
$1,000,000 and more	60%	38%	29.6%
Owner-occupied households
With a mortgage	74.3%	71.1%	67.4%
Without a mortgage	25.7%	28.9%	32.6%
Median monthly owner costs
With a mortgage	$3,627	$3,435	$2,946
Without a mortgage	$945	$1,009	$829
Gross rent
Median rent	$2,533	$2,375	$2,036

Education Profile

How educated is the community and how education pays off

Adults with a college degree

54.6%

of adults 25+ with a bachelor's degree or higher

Pleasant Hill 54.6%

Contra Costa County 45.2%

California 37.1%

Adults without a high school diploma

4.2%

of adults (25+) without a high school diploma

Pleasant Hill 4.2%

Contra Costa County 10.4%

California 15.2%

School Enrollment

Who is enrolled in school and at what level

School enrollment

8,459

population (age 3+) enrolled in school

Nursery / Preschool

K–12

63.2%

College / Undergraduate

24.9%

Graduate / Professional

6.9%

College-going rate (18-24 yr olds)

54.3%

of 18-24-year-olds in college or graduate school

Pleasant Hill

54.3%

Contra Costa County

44.9%

California

46.8%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Pleasant Hill	Contra Costa County	California
Total enrolled (age 3+)	8,459	285,826	9,917,839
Nursery / preschool	5%	5.7%	5%
K–12	63.2%	67.8%	64.9%
Kindergarten	3.6%	5%	4.9%
Elementary: Grades 1–4	19.3%	19.4%	18.7%
Elementary: Grades 5–8	21.1%	20.5%	19.9%
High School: Grades 9–12	19.3%	23%	21.5%
College or graduate school	31.8%	26.5%	30.1%
College, undergraduate	24.9%	21.2%	24.3%
Graduate, professional school	6.9%	5.3%	5.8%
College-going rate · 18-24 yr olds	54.3%	44.9%	46.8%
School type
Public school	81.3%	83.5%	85%
Private school	18.7%	16.5%	15%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

24,608

population 25 years and over

Total adults (25+)

Less than 9th grade

2.2%

9th-12th, no diploma

HS graduate

14.1%

Some college no degree

17.7%

Associates degree

9.4%

Bachelors degree

29.6%

Graduate or professional degree

25%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

64.8% · 35.2%

9th-12th, no diploma

69.9% · 30.1%

HS graduate

49.9% · 50.1%

Some college no degree

47.2% · 52.8%

Associates degree

47.6% · 52.4%

Bachelors degree

46.7% · 53.3%

Graduate or professional degree

43.8% · 56.2%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Pleasant Hill	Contra Costa County	California
Population (25+)	24,608	816,152	27,073,960
Less than 9th grade	2.2%	5.5%	8.7%
9th–12th, no diploma	2%	4.9%	6.5%
High school diploma or GED	14.1%	18%	20.5%
Some college, no degree	17.7%	18.4%	19.3%
Associate's degree	9.4%	8%	7.9%
Bachelor's degree or higher	54.6%	45.2%	37.1%
Bachelor's degree	29.6%	27.5%	22.7%
Graduate or professional	25%	17.7%	14.4%
High School or higher	95.9%	89.6%	84.7%

Earnings by education level

percentage as applicable

Median Earnings

$82,457

Median earnings for adults 25+, by level

Less than HS graduate

$40,500

HS graduate

$44,909

Some college or associates

$61,921

Bachelors degree

$104,237

Graduate or professional degree

$127,216

Poverty Rate

4.1%

for ages 25+, with bachelors degree or higher

Less than HS graduate

29.5%

HS graduate

9.3%

Some college or associates

9.1%

Bachelors degree or higher

4.1%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Pleasant Hill	Contra Costa County	California
Median earnings
Population 25+, with earnings	$82,457	$71,603	$56,395
Less than high school graduate	$40,500	$35,698	$32,480
High school graduate (includes equivalency)	$44,909	$47,577	$41,382
Some college or associate's degree	$61,921	$59,867	$50,157
Bachelor's degree	$104,237	$97,980	$80,933
Graduate or professional degree	$127,216	$126,324	$111,188
Poverty rates
Less than high school graduate	29.5%	15.6%	20%
High school graduate (includes equivalency)	9.3%	10.9%	13.9%
Some college or associate's degree	9.1%	8.7%	10.1%
Bachelor's degree or higher	4.1%	3.8%	5%

Insights for Pleasant Hill, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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