Seacliff, California Population 2024

3,550

Seacliff is a city located in Santa Cruz County California. Seacliff has a 2024 population of 3,550. Seacliff is currently declining at a rate of annually and its population has decreased by -0.84% since the most recent census, which recorded a population of 3,580 in 2020.

The average household income in Seacliff is $159,232 with a poverty rate of 3.7%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Seacliff is 43.5 years, 42.3 years for males, and 44.6 years for females.

Seacliff Demographics

According to the most recent ACS, the racial composition of Seacliff was:

  • White: 71.75%
  • Two or more races: 12.96%
  • Other race: 7.38%
  • Asian: 3.55%
  • Native Hawaiian or Pacific Islander: 3.52%
  • Black or African American: 0.45%
  • Native American: 0.39%
Land Area (mi²)
0.7 sq mi
Density (mi²)
4,864.30/sq mi
Growth Since 2020
-0.84% (-30)
The current population of Seacliff, California is 3,550 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 3,580.

Seacliff, California Population 2024

Population by Race

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Race
Population
Percentage (of total)
White2,54771.75%
Two or more races46012.96%
Other race2627.38%
Asian1263.55%
Native Hawaiian or Pacific Islander1253.52%
Black or African American160.45%
Native American140.39%
showing: 7 rows

White

Two or more races

Other race

Asian

Native Hawaiian or Pacific Islander

Black or African American

Native American

Seacliff Population by Race

Seacliff Population Pyramid 2024

Seacliff Median Age

43.5

Total

42.3

Male

44.6

Female

Seacliff Adults

There are 2,949 adults, (619 of whom are seniors) in Seacliff.

Seacliff Age Dependency

52.4

Age Dependency Ratio

26.6

Old Age Dependency Ratio

25.8

Child Dependency Ratio

Seacliff Sex Ratio

Female1,87852.9%
Male1,67247.1%

Seacliff Population by Age

Seacliff Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,6562.1460.939.1
Non Family6981.3453.646.4
Married6632.8377.122.9
Female1712.9718.181.9
Male1241.8574.225.8
showing: 5 rows

2.69

Average Family Size

2.14

Average Household Size

60.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Seacliff Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Seacliff Educational Attainment by Sex (over 25)

Seacliff Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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

The highest rate of bachelors degrees is among native american people with a rate of 100%.

Seacliff Educational Attainment by Race

All

Male

Female

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$81,824

Average Earnings

$105,066

Average Male

$64,659

Average Female

Seacliff Earnings by Educational Attainment

Seacliff Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Seacliff Language

89.69% of Seacliff residents speak only English, while 10.31% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.34% of the population.

Seacliff Language

Seacliff Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White2,443994.05%
Hispanic440204.55%
Multiple460173.7%
Asian12653.97%
showing: 4 rows

3.7%

Overall Poverty Rate

4.07%

Male Poverty Rate

3.37%

Female Poverty Rate

Poverty in Seacliff

The race most likely to be in poverty in Seacliff is Hispanic, with 4.55% below the poverty level.

The race least likely to be in poverty in Seacliff is Multiple, with 3.7% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was . Among those working part-time, it was 5.68%, and for those that did not work, the poverty rate was 9.29%.

Seacliff Poverty

rate

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Rate
Poverty
Less Than 9th Grade19.23%
Bachelors or Greater4.69%
Some College3.56%
High School
showing: 4 rows

Seacliff Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed7.84%
Male Employed2.52%
Female Employed1.05%
Female Unemployed
showing: 4 rows

Seacliff Poverty Rate by Employment Status and Sex

Seacliff Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Seacliff Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

43.0%

Overall Marriage Rate

46.8%

Male Marriage Rate

39.6%

Female Marriage Rate

Seacliff Married by Age and Sex

male

female

Seacliff 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.

Seacliff Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Seacliff Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

110

Number of Veterans

100

Male Veterans

10

Female Veterans

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Seacliff Veterans by War

count

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Seacliff Veterans by Age

count

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Seacliff Veterans by Race

Seacliff Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

44.55%

Veteran Disability Rate

Seacliff Veterans by Education

LaborForceParticipation

71.2%

Labor Force Participation

66.5%

Employment Rate

6.5%

Unemployment Rate

Seacliff Employment by Age

LaborForceParticipation

Seacliff Employment by Race

LaborForceParticipation

Seacliff 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

63.35%

Born in Seacliff

92.65%

Native Born

7.35%

Foreign Born

1.69%

Non Citizen

5.66%

Naturalized

Place of Birth

92.65% of Seacliff residents were born in the United States, with 63.35% having been born in California. 1.69% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Seacliff Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20243,550
20233,550
20223,5501363.98%
20213,414-166-4.64%
20203,5802948.95%
20193,286852.66%
20183,201-30-0.93%
20173,231-133-3.95%
20163,3641083.32%
20153,256-117-3.47%
20143,373922.8%
20133,2811484.72%
20123,133-8-0.25%
20113,141-126-3.86%
20103,267
showing: 15 rows

Seacliff Population by Year