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California's 27th Congressional District
Key Indicators
A quick look at key numbers
Population
746,656
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates
Median Age
37.1
years ∙ half population younger than 37.1, half older
Diversity Index
68.4%
chance two random people differ in race and ethnicity
Nativity
22.5%
foreign-born population
Geographic Context
Location, size, and surroundings
About
California's 27th Congressional District is a congressional district in California, United States, represented in the United States House of Representatives.
Co-ordinates
DEC34.606629° N, 118.358284° W
DMS34° 36′ 23.86″ N, 118° 21′ 29.82″ W
Population Density & area
492.5/sq mi
(190.1/km²)
Demographics & Living
Who lives here, how households are formed, and community composition
Population Composition
Key characteristics of the population
Sex Distribution
49.9%
male
Male
49.9%
Female
50.1%
males per 100 females
CA-27
99.7
California
99.8
United States
98
Nativity
22.5%
foreign-born population
% Foreign-born
CA-27
22.5%
California
27%
United States
14.1%
Age Distribution
How the population is spread across age groups
Median Age
37.1
years ∙ half population younger than 37.1, half older
Dependency ratio
64.1
dependents per 100 working-age adults
CA-27
64.1
California
60.4
United States
64.4
AGE DISTRIBUTION
Distribution of age group
Median age
| CA-27 | California | United States | |
|---|---|---|---|
| Age Group | |||
| Children (Under 18) | 25.7% | 22% | 22% |
| Working age (18-64) | 60.9% | 62.3% | 60.8% |
| Senior (65+) | 13.4% | 15.7% | 17.2% |
| Dependency ratio | |||
| Total dependency ratio | 64.1 | 60.4 | 64.4 |
| Child dependency ratio | 42.1 | 35.2 | 36.1 |
| Old-age dependency ratio | 22 | 25.1 | 28.3 |
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares
Race & Ethnicity
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
68.4%
chance two random people differ in race and ethnicity
CA-27
68.4%
California
69.6%
United States
61.4%
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 CA-27 population
| CA-27 | California | United States | |
|---|---|---|---|
| Hispanic or Latino | 44.4% | 40.2% | 19.3% |
| Mexican | 32.5% | 32.3% | 11.3% |
| Puerto Rican | 0.6% | 0.6% | 1.8% |
| Cuban | 0.4% | 0.3% | 0.8% |
| Other Hispanic / Latino | 10.9% | 7% | 5.5% |
| Not Hispanic or Latino | 55.6% | 59.8% | 80.7% |
| One race | 51.6% | 55.4% | 76.4% |
| White | 31.5% | 33.8% | 57.4% |
| Black or African American | 9.5% | 5.2% | 11.9% |
| American Indian and Alaska Native | 0.2% | 0.3% | 0.5% |
| Asian | 9.4% | 15.3% | 5.9% |
| Native Hawaiian and Other Pacific Islander | 0.2% | 0.3% | 0.2% |
| Some Other Race | 0.7% | 0.6% | 0.6% |
| Two or more races (Multiracial) | 4% | 4.4% | 4.3% |
Household & Families Composition
Household size, type, and family structure
Household structure
76.2%
family
Family
76.2%
Non family
23.8%
% family households
CA-27
76.2%
California
67.8%
United States
64.2%
Average household size
3.14
persons per household
Household & Family COMPOSITION
Households
Percentage of CA-27 population
| CA-27 | California | United States | |
|---|---|---|---|
| Total households | 234,259 | 13,548,091 | 129,227,496 |
| Average houshold size | 3.14 | 2.84 | 2.53 |
| Family households | 178,453 | 9,191,176 | 82,990,528 |
| Average family size | 3.6 | 3.41 | 3.14 |
| Married couple family | 128,489 | 6,557,184 | 60,637,388 |
| Other families | 49,964 | 2,633,992 | 22,353,140 |
| Male householder | 15,595 | 857,732 | 6,572,819 |
| Female householder | 34,369 | 1,776,260 | 15,780,321 |
| Non-family households | 55,806 | 4,356,915 | 46,236,968 |
| One-person households | 43,856 | 3,289,307 | 37,140,836 |
| Male householder | 20,332 | 1,493,062 | 16,871,444 |
| Senior (65+) living alone | 6,531 | 460,668 | 5,225,110 |
| Female householder | 23,524 | 1,796,245 | 20,269,392 |
| Senior (65+) living alone | 11,618 | 886,142 | 10,089,070 |
| Other living arrangements | 11,950 | 1,067,608 | 9,096,132 |
Housing Profile
Housing stock, ownership, rentals, and cost burdens
Total housing units
245,151
housing units
CA-27
245,151
California
14,644,735
United States
143,775,355
Occupancy status
95.6%
occupied
Occupied
95.6%
Vacant
4.4%
vacancy rate
CA-27
4.4%
California
7.5%
United States
10.1%
Housing Characteristics
How the housing supply is structured and used
Types of Housing unit
77%
Single family houses
Median Year Built
1987
Half of houses were built before 1987, and half after.
Note: Median year built reflects occupied units only; distribution includes all units.
Housing Characteristics
Units, rooms & bedrooms
Physical characteristics of housing units
| CA-27 | California | United States | |
|---|---|---|---|
| Rooms per unit | |||
| Median rooms | 5.9 | 5 | 5.5 |
| 1–3 rooms | 10.4% | 21% | 15.1% |
| 4–6 rooms | 51% | 54.7% | 51.6% |
| 7+ rooms | 38.5% | 24.4% | 33.4% |
| Bedrooms | |||
| No bedroom / studio | 2.1% | 5% | 2.9% |
| 1 bedroom | 6.4% | 13.2% | 10.9% |
| 2 bedrooms | 17.6% | 26.9% | 25% |
| 3 bedrooms | 36.5% | 32.8% | 38.7% |
| 4+ bedrooms | 37.5% | 22.1% | 22.4% |
| At a glance | |||
| Median year built | 1987 | 1976 | 1981 |
| Total housing units | 245,151 | 14,644,735 | 143,775,355 |
Occupancy Profile
Who is inside and how they use it
Homeownership
69.3%
owners
Renter-occupied
30.7%
Owner-occupied
69.3%
homeownership rate
CA-27
69.3%
California
55.9%
United States
65.2%
Average household size
3.21
Owner-occupied
2.98
Renter-occupied
owner-occupied average size
CA-27
3.21
California
2.95
United States
2.64
Housing Characteristics
Occupied unit characteristics
Tenure, crowding, and utilities
| CA-27 | California | United States | |
|---|---|---|---|
| Total occupied units | 234,259 | 13,548,091 | 129,227,496 |
| Year moved in | |||
| 2020 or later | 19.1% | 23.4% | 24.8% |
| 2010 to 2019 | 44.9% | 41.2% | 39.6% |
| 2000 to 2009 | 19.7% | 17% | 16.4% |
| 1999 or earlier | 16.3% | 18.5% | 19.1% |
| Occupants per room | |||
| 1.00 or fewer | 94.3% | 91.8% | 96.6% |
| 1.01 to 1.50 | 4.1% | 5% | 2.2% |
| 1.51 or more | 1.6% | 3.2% | 1.2% |
| Vehicles availability | |||
| No vehicles | 4.4% | 7.1% | 8.4% |
| 1 vehicle | 25% | 30.7% | 33.1% |
| 2 vehicles | 37.6% | 36.3% | 36.6% |
| 3 or more vehicles | 33% | 25.8% | 21.9% |
| House heating fuel used | |||
| Gas | 79.5% | 64.4% | 51.4% |
| Electricity | 17.1% | 29.5% | 41.3% |
| Solar | 1.3% | 1.2% | 0.3% |
| Fuel oil, kerosene etc | 0.1% | 0.2% | 3.9% |
| All other fuels | 1.2% | 1.6% | 2% |
| No fuel used | 0.9% | 3% | 1.2% |
| Selected characteristics | |||
| Lacking complete plumbing | 0.5% | 0.4% | 0.4% |
| Lacking complete kitchen | 1% | 1.2% | 0.8% |
| No telephone service available | 0.9% | 0.9% | 0.9% |
Housing Value
What owner-occupied units are worth
Median home value
$634,100
owner-occupied units
Housing Cost Burden
41.9%
of homeowners with a mortgage are cost-burdened
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
| CA-27 | California | United States | |
|---|---|---|---|
| Property value | |||
| Median Value | $634,100 | $734,700 | $332,700 |
| Under $100,000 | 4.9% | 4.2% | 11.4% |
| $100,000 - $200,000 | 2.6% | 2.7% | 15.8% |
| $200,000 - $300,000 | 3.5% | 4.3% | 17.8% |
| $300,000 - $500,000 | 24% | 17.1% | 26.9% |
| $500,000 - $1,000,000 | 49.9% | 42.1% | 20.9% |
| $1,000,000 and more | 15.1% | 29.6% | 7.1% |
| Owner-occupied households | |||
| With a mortgage | 74.1% | 67.4% | 60.6% |
| Without a mortgage | 25.9% | 32.6% | 39.4% |
| Median monthly owner costs | |||
| With a mortgage | $2,899 | $2,946 | $1,963 |
| Without a mortgage | $887 | $829 | $638 |
| Gross rent | |||
| Median rent | $2,088 | $2,036 | $1,413 |
Education Profile
How educated is the community and how education pays off
Adults with a college degree
30.4%
of adults 25+ with a bachelor's degree or higher
CA-27
30.4%
California
37.1%
United States
35.7%
Adults without a high school diploma
14.6%
of adults (25+) without a high school diploma
CA-27
14.6%
California
15.2%
United States
10.4%
School Enrollment
Who is enrolled in school and at what level
School enrollment
207,965
population (age 3+) enrolled in school
College-going rate (18-24 yr olds)
42.5%
of 18-24-year-olds in college or graduate school
Enrollment & school type
Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
| CA-27 | California | United States | |
|---|---|---|---|
| Total enrolled (age 3+) | 207,965 | 9,917,839 | 80,089,790 |
| Nursery / preschool | 4.5% | 5% | 5.7% |
| K–12 | 70.4% | 64.9% | 67.6% |
| Kindergarten | 5.1% | 4.9% | 5% |
| Elementary: Grades 1–4 | 20% | 18.7% | 19.8% |
| Elementary: Grades 5–8 | 22.1% | 19.9% | 21% |
| High School: Grades 9–12 | 23.3% | 21.5% | 21.7% |
| College or graduate school | 25% | 30.1% | 26.7% |
| College, undergraduate | 20.3% | 24.3% | 21% |
| Graduate, professional school | 4.7% | 5.8% | 5.8% |
| College-going rate · 18-24 yr olds | 42.5% | 46.8% | 40.9% |
| School type | |||
| Public school | 86.1% | 85% | 82% |
| Private school | 13.9% | 15% | 18% |
Education Attainment by Level & Gender
What is the highest level of education completed among adults
Education attainment
491,418
population 25 years and over
Attainment by gender
Male vs Female
Adults (25+) · Share within each education level
Educational Attainment Overview
Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
| CA-27 | California | United States | |
|---|---|---|---|
| Population (25+) | 491,418 | 27,073,960 | 230,807,303 |
| Less than 9th grade | 7% | 8.7% | 4.7% |
| 9th–12th, no diploma | 7.6% | 6.5% | 5.7% |
| High school diploma or GED | 23.9% | 20.5% | 26% |
| Some college, no degree | 22.1% | 19.3% | 19.1% |
| Associate's degree | 9.1% | 7.9% | 8.8% |
| Bachelor's degree or higher | 30.4% | 37.1% | 35.7% |
| Bachelor's degree | 19.8% | 22.7% | 21.6% |
| Graduate or professional | 10.6% | 14.4% | 14.1% |
| High School or higher | 85.5% | 84.7% | 89.6% |
Earnings by education level
percentage as applicable
Median Earnings
$59,270
Median earnings for adults 25+, by level
Poverty Rate
4.7%
for ages 25+, with bachelors degree or higher
Outcomes by Education Level
Earnings and poverty rates across education levels (25+)
Adults 25+
| CA-27 | California | United States | |
|---|---|---|---|
| Median earnings | |||
| Population 25+, with earnings | $59,270 | $56,395 | $52,696 |
| Less than high school graduate | $35,681 | $32,480 | $32,485 |
| High school graduate (includes equivalency) | $46,028 | $41,382 | $40,153 |
| Some college or associate's degree | $53,685 | $50,157 | $47,260 |
| Bachelor's degree | $83,829 | $80,933 | $70,044 |
| Graduate or professional degree | $104,968 | $111,188 | $90,720 |
| Poverty rates | |||
| Less than high school graduate | 17.3% | 20% | 24.2% |
| High school graduate (includes equivalency) | 12.8% | 13.9% | 14.4% |
| Some college or associate's degree | 8.9% | 10.1% | 9.8% |
| Bachelor's degree or higher | 4.7% | 5% | 4.5% |
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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