Rio Del Mar, CA Profile: Facts, Map & Data


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Rio Del Mar, California - Basic Facts

The Rio del Mar Census Designated Place had a population of 9,410 as of July 1, 2016. Rio Del Mar ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Rio Del Mar is located at latitude 36.9579 and longitude -121.8848 in Santa Cruz County. The formal boundaries for the Rio del Mar Census Designated Place (see map below) encompass a land area of 3 sq. miles and a water area of 1.61 sq. miles. Santa Cruz County is in the Pacific time zone (GMT -8). The elevation is 144 feet.

The Rio del Mar Census Designated Place (GNIS ID: 2409173) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Rio del Mar Census Designated Place is located within Santa Cruz CCD of Santa Cruz County.

Beneath the boundary map are tables with Rio Del Mar population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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Rio del Mar Census Designated Place, CA Boundary Map

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Rio Del Mar, CA Data & Demographics (As of July 1, 2016)


Total Population 9,410
Population in Households 9,403
Population in Familes 7,347
Population in Group Qrtrs 7
Population Density1 3,137
Diversity Index2 36


Total Households 3,951
Average Household Size 2.38
Family Households 2,583
Average Family Size 3


Total Housing Units 5,012 (100%)
Owner Occupied HU 2,822 (56.3%)
Renter Occupied HU 1,129 (22.5%)
Vacant Housing Units 1,061 (21.2%)
Median Home Value $815,183
Average Home Value $843,418


Median Household Income $95,851
Average Household Income $128,297
Per Capita Income $53,900
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.33% 0.59%
Households 0.14% 0.56%
Families 0.16% 0.57%
Median Household Income   1.97%
Per Capita Income   1.84%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Rio Del Mar, CA - Peer Comparisons by Rank and Percentile

The table below compares Rio Del Mar to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 498 67th
Population Density1 # 431 72nd
Diversity Index2 # 1261 17th
Median Household Income # 179 88th
Per Capita Income # 147 90th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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