Clearlake, CA Profile: Facts & Data


Clearlake Local Links & Resources:
Hotels | Resources | ALL Clearlake Content

Also See: Clearlake, CA ZIP Codes & ZIP Code Maps | Local Area Photos

Clearlake, California - Basic Facts

The City of Clearlake had a population of 18,342 as of July 1, 2018.

The primary coordinate point for Clearlake is located at latitude 38.9582 and longitude -122.6264 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.

Jump to... (On This Page!)
  1. Clearlake 2018 Demographic Data
  2. Growth Rates for Clearlake (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. California Research Tools (Easy Tools & Current Data)
  3. California Data Comparison Tool - 2018 Demographics

Research a California Address and get...

Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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


Total Population 18,342
Population in Households 17,889
Population in Familes 13,016
Population in Group Qrtrs 453
Population Density2 1,811
Diversity Index3 69


Median Household Income $26,915
Average Household Income $37,662
Per Capita Income $15,032


Total Housing Units 9,634 (100%)
Owner Occupied HU 3,500 (36.3%)
Renter Occupied HU 3,604 (37.4%)
Vacant Housing Units 2,530 (26.3%)
Median Home Value $119,961
Average Home Value $161,724


Total Households 7,104
Average Household Size 2.52
Family Households 4,092
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 2.26% 1.5%
Households 2.13% 1.46%
Families 2.21% 1.52%
Median Household Income   0.54%
Per Capita Income   1.43%

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, 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 # 362 76th
Population Density # 630 59th
Diversity Index # 666 56th
Median Household Income # 1485 2nd
Per Capita Income # 1376 9th

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

Quick & Easy Ways to...

  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
  2. View Boundary Maps, for Cities, Towns, and ZIP Codes
  3. Locate Physical, Cultural, and Historical Features
  4. Research Public Schools & Attendance Zones

California Census Data Comparison Tool

Compare California July 1, 2018 Data
Highest or Lowest: