Rio del Mar, CA demographics:
population, income, and more

Total population
9,201
2.9% year-over-year change
Median household income
$159,929/yr
6.4% year-over-year change
Housing units
4,856
1.1% year-over-year change

Rio Del Mar population

How many people live in Rio Del Mar

Rio Del Mar is home to 9,201 residents, according to the most recent Census data. Gender-wise, 48.3% of Rio Del Mar locals are male, and 51.7% are female.

Total population
9,201
2.9% year-over-year change
Gender ratio
Male
48.3%
4,441
Female
51.7%
4,760
Value Percent YoY change
Male 4,441 48.3% 2.5%
Female 4,760 51.7% 3.4%
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 Rio Del Mar is 51, with the population distributed as follows: about 14.3% are children under 15, then 10.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 15.1% of the population, while another 34.8% fall into the 45 to 64 bracket. Finally, around 25.6% are 65 or older.

Median age
51.4
Age breakdown
Under 15
14.3%
15 to 24
10.2%
25 to 44
15.1%
45 to 64
34.8%
Over 65
25.6%
Value Percent YoY change
Under 15 1,316 14.3% -0.5%
15 to 24 940 10.2% 4.7%
25 to 44 1,389 15.1% 4.4%
45 to 64 3,204 34.8% 4.7%
Over 65 2,352 25.6% 1.1%
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 Rio Del Mar, 90% of the population are US-born citizens, while 6.6% have gained naturalized citizenship. At the same time, 3.4% of residents are non-citizens. As for race, 80.8% of locals are Caucasian, 0.1% are African American and 3.2% have Asian roots. There’s also a share of 13.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
90%
Non-U.S.-born citizens
6.6%
Non-citizens
3.4%
Value Percent YoY change
U.S.-born citizens 8,284 90% 2.0%
Non-U.S.-born citizens 609 6.6% 5.7%
Non-citizens 308 3.4% 28.3%
Racial breakdown
White
80.8%
Black or African American
0.1%
American Indian and Alaska Native
0.4%
Asian
3.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
13.7%
Other
1.8%
Value Percent
White 7,439 80.8%
Black or African American 10 0.1%
American Indian and Alaska Native 37 0.4%
Asian 292 3.2%
Two or more races 1,261 13.7%
Other 162 1.8%

Households in Rio Del Mar

A peek inside Rio Del Mar households

Rio Del Mar has 3,800 households, with an average of 2 members in each. Of these, 69.2% are families, while the remaining 30.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,800
0.6% year-over-year change
Average people per household
2
Non-family households
1,172
Family households
2,628
Value Percent YoY change
Non-family households 1,172 30.8% -7.1%
Family households 2,628 69.2% 4.4%
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 Rio Del Mar

The housing landscape of Rio Del Mar

Rio Del Mar's housing consists of 4,856 units, with 80.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 13.4% and offer a more compact, shared living style.

Housing units
4,856
1.1% year-over-year change
Housing types
Value Percent
1 unit, detached 3,914 80.6%
1 unit, attached 652 13.4%
2 units 65 1.3%
3 or 4 units 108 2.2%
5 to 9 units 57 1.2%
10 to 19 units 10 0.2%
20 to 49 units 33 0.7%
50 or more units 17 0.4%
Homes built since 2020
18
% year-over-year change

The age of buildings in Rio Del Mar

In Rio Del Mar, the median construction year is 1973. About 3.3% of homes were built before the 1940s, with another 2.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 3.3% of homes were added from 2000 to 2009, 1.6% between 2010 and 2019, and 0.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 162 3.3% 7.3%
Built between 1940 and 1949 117 2.4% 1.7%
Built between 1950 and 1959 499 10.3% -1.6%
Built between 1960 and 1969 1,145 23.6% -0.7%
Built between 1970 and 1979 1,532 31.6% 9.2%
Built between 1980 and 1989 920 19% -13.0%
Built between 1990 and 1999 226 4.6% 28.4%
Built between 2000 and 2009 159 3.3% -9.1%
Built between 2010 and 2019 78 1.6% 18.2%
Built in 2020 or later 18 0.4% N/A
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.

Rio Del Mar occupancy rates

Out of the 3,800 occupied housing units in Rio Del Mar, 75.2% are owner-occupied, while 24.8% are lived in by tenants. Meanwhile, 21.7% of all homes on the local market sit vacant.

Occupied housing units
3,800
0.6% year-over-year change
Occupancy breakdown
Renter occupied
942
Owner occupied
2,858
Value Percent YoY
change
Renter occupied 942 24.8% 11.1%
Owner occupied 2,858 75.2% -2.5%
Unoccupied housing units
21.7%
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.

Rio Del Mar housing costs

Housing costs in Rio Del Mar come to a median of $3,283 per month, while tenants specifically pay a median gross rent of $3,407.

Median housing costs per month
$3,283/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 Rio Del Mar
$3,407/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 Rio Del Mar

Rio Del Mar education at a glance

About 8.6% of the population in Rio Del Mar went to high school, while 22% pursued college studies. Another 7.2% earned an associate degree and 31% hold a bachelor’s. Meanwhile, 30% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 93 1.2% 75.5%
High school diploma 657 8.6% -12.9%
College diploma 1,672 22% -5.2%
Associate degree 547 7.2% -7.3%
Bachelor's degree 2,362 31% 9.3%
Graduate degree 2,288 30% 11.5%
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 Rio Del Mar

How much people earn in Rio Del Mar

The average annual household income in Rio Del Mar was $219,803 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.5% change from the previous year. At the same time, the median income stood at $159,929, reflecting a +6.4% shift over the same period.

Average household income in Rio Del Mar
$219,803/year
3.5% year-over-year change
Median household income in Rio Del Mar
$159,929/year
6.4% year-over-year change

Rio Del Mar income by age

In Rio Del Mar, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $183,958. Those with someone between 45 and 64 in charge, often well established professionally, earn $195,398 overall. Overall, 97.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $183,958 28.8%
45 - 64 $195,398 2.3%
Over 65 $111,125 9.6%
Above poverty level
8,904
Below poverty level
214
Value Percent YoY
change
Above poverty level 8,904 97.6% 3.8%
Below poverty level 214 2.4% -21.6%

Average renter income in Rio Del Mar

To get a better sense of what renters earn on average in Rio Del Mar, their median household income was $82,098 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 49.8%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$82,098
Rent-to-income ratio
49.8%
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 Rio Del Mar

Workforce and job types in Rio Del Mar

The job market in Rio Del Mar is powered by 4,714 working residents, spread across a range of industries and roles. 94.3% of the working population are employed in professional or administrative positions, while 5.7% are in hands-on or service-based jobs. Also, 18.7% run their own businesses, 56.1% are employed by private companies, and 15.5% work in the public sector.

Workforce demographics

Working population
4,714
4.5% year-over-year change
White collar
4,444
Blue collar
270
Value Percent YoY change
White collar 4,444 94.3% 6.9%
Blue collar 270 5.7% -23.7%
Employer type
Self employees
18.7%
Private companies
56.1%
Governmental workers
15.5%
Not for profit companies
9.7%
Value Percent YoY change
Self employees 880 18.7% 11.7%
Private companies 2,644 56.1% 3.7%
Governmental workers 731 15.5% -2.5%
Not for profit companies 459 9.7% 8.0%
Unemployment rate
5.7%
4.7% year-over-year change

Available workforce

The unemployment rate in Rio Del Mar stands at 5.7%, 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 Rio Del Mar

How people get around in Rio Del Mar

In Rio Del Mar, the average commute time is 30 minutes. Commuting methods vary: 67.6% of residents travel by personal vehicle and 0.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
30 min
-5.7% year-over-year change
Means of transportation
Value Percent YoY change
Car 3,122 67.6% 5.1%
Bicycle 25 0.5% 47.1%
Walk 16 0.4% -15.8%
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.

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FAQs about Rio Del Mar demographics 

What is the total population of Rio Del Mar?

Rio Del Mar has a total population of 9,201 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 +2.9% compared to a year ago.

What is the gender ratio in Rio Del Mar?

The gender ratio in Rio Del Mar is as follows:
  • 48.3% males (4,441 residents)
  • 51.7% females (4,760 residents)

What is the median age in Rio Del Mar?

The median age in Rio Del Mar is 51.4.

What is the age distribution of the population in Rio Del Mar?

The age distribution in Rio Del Mar is as follows:
  • Under 15: 14.3% (1,316 residents)
  • Ages 15-24: 10.2% (940 residents)
  • Ages 25-44: 15.1% (1,389 residents)
  • Ages 45-64: 34.8% (3,204 residents)
  • Over 65: 25.6% (2,352 residents)

What is the racial and ethnic makeup of Rio Del Mar?

The racial and ethnic makeup of Rio Del Mar is as follows:
  • White: 80.8% (7,439 residents)
  • Black or African American: 0.1% (10 residents)
  • American Indian and Alaska Native: 0.4% (37 residents)
  • Asian: 3.2% (292 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 13.7% (1,261 residents)
  • Other: 1.8% (162 residents)

What percentage of the population in Rio Del Mar are U.S.-born citizens?

U.S.-born citizens represent 90% of the population in Rio Del Mar.

How many housing units are there in Rio Del Mar?

There are 4,856 housing units in Rio Del Mar, reflecting a +1.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Rio Del Mar and what is the average household size?

Rio Del Mar has a total of 3,800 households, with an average of 2 people in each.

What is the median household income in Rio Del Mar?

Rio Del Mar has a median household income of $159,929, representing a +6.4% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Rio Del Mar?

The employment rate is 94.3% in Rio Del Mar, with a workforce of 4,714 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 94.3% (4,444 residents)
  • Blue-collar workers: 5.7% (270 residents)

Places of employment:
  • Self-employed: 18.7% (880 residents)
  • Private companies: 56.1% (2,644 residents)
  • Governmental workers: 15.5% (731 residents)
  • Not-for-profit companies: 9.7% (459 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