Clearlake, CA Profile: Facts, Map & Data


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Clearlake, California - Basic Facts

Real Estate Resources

The City of Clearlake had a population of 18,434 as of July 1, 2017.

The primary coordinate point for Clearlake is located at latitude 38.96 and longitude -122.6332 in Lake County. The formal boundaries for the City of Clearlake (see map below) encompass a land area of 10.13 sq. miles and a water area of 0.45 sq. miles. Lake County is in the Pacific time zone (GMT -8). The elevation is 1,417 feet.

The City of Clearlake (GNIS ID: 2409479) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Clearlake is located within Clearlake CCD of Lake County.

Beneath the boundary map are tables with Clearlake population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Clearlake, CA Boundary Map

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Boundary Maps: Clearlake CCD | Lake County | California Counties

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Clearlake, CA Data & Demographics (As of July 1, 2017)


Total Population 18,434
Daytime Population: Workers 3,775
Daytime Population: Residents 12,408
Total Daytime Population (TDP) 16,183
Ratio TDP/Total Population1 0.88
Population in Households 17,957
Population in Familes 12,919
Population in Group Qrtrs 477
Population Density2 1,820
Diversity Index3 69


Median Household Income $26,743
Average Household Income $36,563
Per Capita Income $14,650


Total Housing Units 8,845 (100%)
Owner Occupied HU 3,806 (43.0%)
Renter Occupied HU 3,343 (37.8%)
Vacant Housing Units 1,696 (19.2%)
Median Home Value $110,731
Average Home Value $160,515


Total Households 7,149
Average Household Size 2.51
Family Households 4,114
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 2.65% 1.6%
Households 2.52% 1.56%
Families 2.59% 1.61%
Median Household Income   -0.05%
Per Capita Income   1.44%

Clearlake, CA - Peer Comparisons by Rank and Percentile

The table below compares Clearlake to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2017 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 # 362 76th
Population Density # 631 58th
Diversity Index # 675 55th
Median Household Income # 1482 2nd
Per Capita Income # 1370 10th

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

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