Seaside, CA demographics:
population, income, and more

Total population
31,814
-0.5% year-over-year change
Median household income
$85,311/yr
3.6% year-over-year change
Housing units
10,853
-0.8% year-over-year change

Seaside population

How many people live in Seaside

Seaside is home to 31,814 residents, according to the most recent Census data. Gender-wise, 50.1% of Seaside locals are male, and 49.9% are female.

Total population
31,814
-0.5% year-over-year change
Gender ratio
Male
50.1%
15,948
Female
49.9%
15,866
Value Percent YoY change
Male 15,948 50.1% -0.6%
Female 15,866 49.9% -0.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Seaside is 34, with the population distributed as follows: about 17.8% are children under 15, then 17.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 29.8% of the population, while another 22.4% fall into the 45 to 64 bracket. Finally, around 12.8% are 65 or older.

Median age
34
Age breakdown
Under 15
17.8%
15 to 24
17.2%
25 to 44
29.8%
45 to 64
22.4%
Over 65
12.8%
Value Percent YoY change
Under 15 5,671 17.8% 0.9%
15 to 24 5,461 17.2% -4.6%
25 to 44 9,484 29.8% 2.6%
45 to 64 7,139 22.4% -3.8%
Over 65 4,059 12.8% 2.5%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Seaside, 70.9% of the population are US-born citizens, while 12.3% have gained naturalized citizenship. At the same time, 16.8% of residents are non-citizens. As for race, 38.6% of locals are Caucasian, 4.8% are African American and 9.9% have Asian roots. Another 0.5% are Indigenous American, 1.6% are Pacific Islanders, while 22.9% identify as another race. There’s also a share of 21.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
70.9%
Non-U.S.-born citizens
12.3%
Non-citizens
16.8%
Value Percent YoY change
U.S.-born citizens 22,560 70.9% -0.6%
Non-U.S.-born citizens 3,909 12.3% -2.5%
Non-citizens 5,345 16.8% 1.8%
Racial breakdown
White
38.6%
Black or African American
4.8%
American Indian and Alaska Native
0.5%
Asian
9.9%
Native Hawaiian and other Pacific Islander
1.6%
Two or more races
21.7%
Other
22.9%
Value Percent
White 12,293 38.6%
Black or African American 1,515 4.8%
American Indian and Alaska Native 150 0.5%
Asian 3,151 9.9%
Native Hawaiian and other Pacific Islander 520 1.6%
Two or more races 6,893 21.7%
Other 7,292 22.9%

Households in Seaside

A peek inside Seaside households

Seaside has 10,371 households, with an average of 3 members in each. Of these, 67.2% are families, while the remaining 32.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
10,371
0.5% year-over-year change
Average people per household
3
Non-family households
3,404
Family households
6,967
Value Percent YoY change
Non-family households 3,404 32.8% 7.8%
Family households 6,967 67.2% -2.8%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Seaside

The housing landscape of Seaside

Seaside's housing consists of 10,853 units, with 60.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 11.7% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 3% of the housing landscape.

Housing units
10,853
-0.8% year-over-year change
Housing types
Value Percent
1 unit, detached 6,532 60.2%
1 unit, attached 1,266 11.7%
2 units 546 5%
3 or 4 units 678 6.2%
5 to 9 units 609 5.6%
10 to 19 units 497 4.6%
20 to 49 units 215 2%
50 or more units 184 1.7%
Mobile home 326 3%
Homes built since 2020
66
144.4% year-over-year change

The age of buildings in Seaside

In Seaside, the median construction year is 1968. About 3.4% of homes were built before the 1940s, with another 6.2% going up by 1949. Most development happened in the second half of the 20th century. Then, 11% of homes were added from 2000 to 2009, 4.1% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 369 3.4% 12.2%
Built between 1940 and 1949 669 6.2% -2.3%
Built between 1950 and 1959 2,414 22.2% -4.4%
Built between 1960 and 1969 2,427 22.4% -1.8%
Built between 1970 and 1979 1,697 15.6% 7.2%
Built between 1980 and 1989 1,078 9.9% -3.5%
Built between 1990 and 1999 494 4.6% -6.8%
Built between 2000 and 2009 1,194 11% 5.0%
Built between 2010 and 2019 445 4.1% -17.1%
Built in 2020 or later 66 0.6% 144.4%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Seaside occupancy rates

Out of the 10,371 occupied housing units in Seaside, 35.4% are owner-occupied, while 64.6% are lived in by tenants. Meanwhile, 4.4% of all homes on the local market sit vacant.

Occupied housing units
10,371
0.5% year-over-year change
Occupancy breakdown
Renter occupied
6,695
Owner occupied
3,676
Value Percent YoY
change
Renter occupied 6,695 64.6% 3.1%
Owner occupied 3,676 35.4% -4.0%
Unoccupied housing units
4.4%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Seaside housing costs

Housing costs in Seaside come to a median of $2,314 per month, while tenants specifically pay a median gross rent of $2,409.

Median housing costs per month
$2,314/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Seaside
$2,409/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Seaside

Seaside education at a glance

About 30% of the population in Seaside went to high school, while 25.4% pursued college studies. Another 10% earned an associate degree and 16.7% hold a bachelor’s. Meanwhile, 9.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 2,209 8.9% -8.8%
High school diploma 7,447 30% 1.2%
College diploma 6,309 25.4% -4.0%
Associate degree 2,491 10% -5.7%
Bachelor's degree 4,147 16.7% 5.6%
Graduate degree 2,264 9.1% 7.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Seaside

How much people earn in Seaside

The average annual household income in Seaside was $103,675 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1% change from the previous year. At the same time, the median income stood at $85,311, reflecting a +3.6% shift over the same period.

Average household income in Seaside
$103,675/year
1.0% year-over-year change
Median household income in Seaside
$85,311/year
3.6% year-over-year change

Seaside income by age

In Seaside, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $90,853. Those with someone between 45 and 64 in charge, often well established professionally, earn $99,395 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $29,909, while those led by someone over 65, many of whom may be retired, have about $56,011 in earnings. Overall, 84% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $29,909 9.6%
25 - 44 $90,853 7.2%
45 - 64 $99,395 -2.2%
Over 65 $56,011 0.0%
Above poverty level
25,214
Below poverty level
4,806
Value Percent YoY
change
Above poverty level 25,214 84% -2.3%
Below poverty level 4,806 16% 6.6%

Average renter income in Seaside

To get a better sense of what renters earn on average in Seaside, their median household income was $71,591 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 40.4%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$71,591
Rent-to-income ratio
40.4%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Seaside

Workforce and job types in Seaside

The job market in Seaside is powered by 15,221 working residents, spread across a range of industries and roles. 83.1% of the working population are employed in professional or administrative positions, while 16.9% are in hands-on or service-based jobs. Also, 10.2% run their own businesses, 66.2% are employed by private companies, and 15.9% work in the public sector.

Workforce demographics

Working population
15,221
0.7% year-over-year change
White collar
12,655
Blue collar
2,566
Value Percent YoY change
White collar 12,655 83.1% 0.8%
Blue collar 2,566 16.9% -0.0%
Employer type
Self employees
10.2%
Private companies
66.2%
Governmental workers
15.9%
Not for profit companies
7.7%
Value Percent YoY change
Self employees 1,552 10.2% -12.7%
Private companies 10,081 66.2% 1.2%
Governmental workers 2,417 15.9% 0.6%
Not for profit companies 1,171 7.7% 19.9%
Unemployment rate
5.9%
-9.5% year-over-year change

Available workforce

The unemployment rate in Seaside stands at 5.9%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Seaside

How people get around in Seaside

Commuting methods vary: 83.8% of residents travel by personal vehicle and 3.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 13,258 83.8% 1.2%
Bus or trolleybus 178 1.1% -26.4%
Subway or elevated 7 0% N/A
Motorcycle 52 0.3% -24.6%
Bicycle 245 1.6% 9.4%
Walk 517 3.3% -1.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Seaside by zipcode?

Zipcode Population Number of households Median income Average income
93955 32,266 10,579 $85,282 $103,772

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FAQs about Seaside demographics 

What is the total population of Seaside?

Seaside has a total population of 31,814 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.5% compared to a year ago.

What is the gender ratio in Seaside?

The gender ratio in Seaside is as follows:
  • 50.1% males (15,948 residents)
  • 49.9% females (15,866 residents)

What is the median age in Seaside?

The median age in Seaside is 34.

What is the age distribution of the population in Seaside?

The age distribution in Seaside is as follows:
  • Under 15: 17.8% (5,671 residents)
  • Ages 15-24: 17.2% (5,461 residents)
  • Ages 25-44: 29.8% (9,484 residents)
  • Ages 45-64: 22.4% (7,139 residents)
  • Over 65: 12.8% (4,059 residents)

What is the racial and ethnic makeup of Seaside?

The racial and ethnic makeup of Seaside is as follows:
  • White: 38.6% (12,293 residents)
  • Black or African American: 4.8% (1,515 residents)
  • American Indian and Alaska Native: 0.5% (150 residents)
  • Asian: 9.9% (3,151 residents)
  • Native Hawaiian and Other Pacific Islander: 1.6% (520 residents)
  • Two or More Races: 21.7% (6,893 residents)
  • Other: 22.9% (7,292 residents)

What percentage of the population in Seaside are U.S.-born citizens?

U.S.-born citizens represent 70.9% of the population in Seaside.

How many housing units are there in Seaside?

There are 10,853 housing units in Seaside, reflecting a -0.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Seaside and what is the average household size?

Seaside has a total of 10,371 households, with an average of 3 people in each.

What is the median household income in Seaside?

Seaside has a median household income of $85,311, representing a +3.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Seaside?

The employment rate is 94.1% in Seaside, with a workforce of 15,221 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 83.1% (12,655 residents)
  • Blue-collar workers: 16.9% (2,566 residents)

Places of employment:
  • Self-employed: 10.2% (1,552 residents)
  • Private companies: 66.2% (10,081 residents)
  • Governmental workers: 15.9% (2,417 residents)
  • Not-for-profit companies: 7.7% (1,171 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025