Seaside, California Population 2021

33,680
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Seaside is a city located in California. With a 2020 population of 33,680, it is the 226th largest city in California and the 1170th largest city in the United States. Seaside is currently declining at a rate of -0.10% annually but its population has increased by 1.98% since the most recent census, which recorded a population of 33,025 in 2010. Seaside reached it's highest population of 38,901 in 1990. Spanning over 9 miles, Seaside has a population density of 3,645 people per square mile.

The average household income in Seaside is $79,599 with a poverty rate of 13.38%. The median rental costs in recent years comes to $1,781 per month, and the median house value is $488,400. The median age in Seaside is 32.8 years, 31.2 years for males, and 33.8 years for females. For every 100 females there are 102.7 males.

Seaside Demographics

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

  • White: 61.92%
  • Other race: 11.25%
  • Asian: 9.92%
  • Black or African American: 7.30%
  • Two or more races: 6.57%
  • Native Hawaiian or Pacific Islander: 2.65%
  • Native American: 0.39%
The current population of Seaside, California is 33,680, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 33,782.The last official US Census in 2010 recorded the population at 33,025.

Seaside, California Population 2021

Population by Race

Race Population Percentage
White21,02761.92%
Some Other Race3,81911.25%
Asian3,3699.92%
Black or African American2,4797.30%
Two or More Races2,2306.57%
Native Hawaiian and Other Pacific Islander9002.65%
American Indian and Alaska Native1320.39%
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Seaside Population by Race

Seaside Population Pyramid 2021

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Seaside Median Age

32.8


Total

31.2


Male

33.8


Female

Seaside Adults

There are 25,600 adults, (3,750 of whom are seniors) in Seaside.

Seaside Age Dependency

55.4

Age Dependency Ratio

17.2

Old Age Dependency Ratio

38.2

Child Dependency Ratio

Seaside Sex Ratio

Female

16,751

49.33%

Male

17,205

50.67%

Seaside Population by Age

Seaside Renter vs Owner Occupied by Household Type

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Seaside Household Types

Type Owner Renter
Married44%56%
Female42.1%57.9%
Male40.9%59.1%
All40.3%59.7%
Non Family34%66%

40.3%

Rate of Home Ownership

Seaside Households and Families

Type Count Average Size Owned
All10,5983.0840.3
Married5,1093.8244
Non Family3,3891.4234
Female1,2954.0342.1
Male8053.8640.9

3.69

Average Family Size

3.08

Average Household Size

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Seaside Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,51111.52%
9th to 12th Grade1,7027.81%
High School Graduate5,36524.62%
Some College4,88622.42%
Associates Degree2,25710.36%
Bachelors Degree3,32915.28%
Graduate Degree1,7397.98%
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Seaside Educational Attainment by Sex (over 25)

Seaside Educational Attainment by Race

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Name Total High School Bachelors
White7,9707,5383,007
Hispanic7,8824,770663
Asian2,5432,206727
Other Race2,0071,073185
Black1,9221,826412
Multiple Races962801148
Islander721586129
Native American12110543

The highest rate of high school graduation is among black people with a rate of 95.01%.

The highest rate of bachelors degrees is among white people with a rate of 37.73%.

Seaside Educational Attainment by Race

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Name Average Male Female
Overall$34,801$40,301$27,185
Less Than High School$23,059$28,947$20,656
High School Grad$30,156$34,167$24,459
Some College$35,123$42,671$25,016
Bachelors Degree$49,318$63,600$37,368
Graduate Degree$74,245$86,389$64,712

$34,801

Average Earnings

$40,301

Average Male

$27,185

Average Female

Seaside Earnings by Educational Attainment

Seaside Language by Age

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Seaside Language

51.77% of Seaside residents speak only English, while 48.23% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 35.86% of the population.

Seaside Language

Seaside Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic14,0162,66719.03%
Other3,74782722.07%
White10,5157346.98%
Black2,41048820.25%
Asian3,3222999.00%
Multiple2,05221510.48%
Islander900647.11%
Native13286.06%

13.38%

Overall Poverty Rate

13.78%

Male Poverty Rate

12.96%

Female Poverty Rate

Poverty in Seaside

The race most likely to be in poverty in Seaside is Other, with 22.07% below the poverty level.

The race least likely to be in poverty in Seaside is Native, with 6.06% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.70%. Among those working part-time, it was 13.23%, and for those that did not work, the poverty rate was 20.79%.

Seaside Poverty

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Name Poverty
Less Than High School16.66%
High School15.82%
Some College7.42%
Bachelors or Greater4.64%

Seaside Poverty Rate by Education

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Name Poverty
Male Unemployed29.73%
Female Unemployed18.84%
Male Employed7.43%
Female Employed7.08%

Seaside Poverty Rate by Employment Status and Sex

Seaside Income by Household Type

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Name Median Mean
Households$63,575$79,599
Families$70,353$85,624
Married Families$82,153$96,021
Non Families$37,883$58,940
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Income by Household Type

Seaside Marital Status

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Marriage Rates

45.7%

Overall Marriage Rate

47.7%

Male Marriage Rate

43.7%

Female Marriage Rate

Seaside Married by Age and Sex

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Seaside 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.

Seaside Marital Status by Race

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Seaside Marital Status

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1,824

Number of Veterans

1,519

Male Veterans

305

Female Veterans

War Veterans
Second Gulf War719
Vietnam543
First Gulf War289
Korea206
World War II96

Seaside Veterans by War

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Age Group Veterans
18 to 34436
35 to 54391
75+354
65 to 74330
55 to 64313

Seaside Veterans by Age

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Name Veterans % of Total
White1,1247.45%
Hispanic3363.46%
Black32215.68%
Asian1404.97%
2 or More1007.21%
Other873.53%
Hawaiian516.72%

Seaside Veterans by Race

Seaside Veterans by Education

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3.89%

Veteran Poverty Rate

29.71%

Veteran Disability Rate

Seaside Veterans by Education

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65.5%

Labor Force Participation

58.3%

Employment Rate

6.1%

Unemployment Rate

Seaside Employment by Age

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Seaside Employment by Race

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Seaside Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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48.18%

Born in California

72.11%

Native Born

27.89%

Foreign Born

16.49%

Non Citizen

11.39%

Naturalized

Place of Birth

72.11% of Seaside residents were born in the United States, with 48.18% having been born in California. 16.49% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Seaside Place of Birth

Year Population Growth Annual Growth Rate
202133,680-34-0.10%
202033,714-34-0.10%
201933,748-34-0.10%
201833,782-90-0.27%
201733,872-326-0.95%
201634,198-57-0.17%
201534,2553100.91%
201433,945160.05%
201333,9291980.59%
201233,7314021.21%
201133,3292350.71%
201033,094-3-0.00%
200033,097-5,804-1.60%
199038,9012,3340.62%
198036,5676320.17%
197035,93516,5826.38%
196019,3539,1276.59%
195010,2260.00%

Seaside Population by Year