Seacliff, CA Profile: Facts, Map & Data


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Seacliff, California - Basic Facts

The Seacliff Census Designated Place had a population of 3,470 as of July 1, 2018. Seacliff ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Seacliff is located at latitude 36.9766 and longitude -121.9184 in Santa Cruz County. The formal boundaries for the Seacliff Census Designated Place (see map below) encompass a land area of 0.77 sq. miles and a water area of 0 sq. miles. Santa Cruz County is in the Pacific time zone (GMT -8). The elevation is 108 feet.

The Seacliff Census Designated Place (GNIS ID: 2583132) 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 Seacliff Census Designated Place is located within Santa Cruz CCD of Santa Cruz County.

Beneath the boundary map are tables with Seacliff population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Alternate Unofficial Names for Seacliff: Seacliff Park.

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Seacliff Census Designated Place, CA Boundary Map

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Seacliff, CA Data & Demographics (As of July 1, 2018)


Total Population 3,470
Population in Households 3,470
Population in Familes 2,329
Population in Group Qrtrs 0
Population Density2 4,527
Diversity Index3 51


Median Household Income $70,469
Average Household Income $90,944
Per Capita Income $42,353


Total Housing Units 1,993 (100%)
Owner Occupied HU 824 (41.3%)
Renter Occupied HU 792 (39.7%)
Vacant Housing Units 377 (18.9%)
Median Home Value $747,093
Average Home Value $797,755


Total Households 1,616
Average Household Size 2.15
Family Households 853
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.73% 0.68%
Households 0.62% 0.6%
Families 0.61% 0.6%
Median Household Income   3.32%
Per Capita Income   3.82%

Seacliff, CA - Peer Comparisons by Rank and Percentile

The table below compares Seacliff to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2018 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 # 740 51st
Population Density # 277 82nd
Diversity Index # 972 36th
Median Household Income # 527 65th
Per Capita Income # 365 76th

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

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