Etna, CA Profile: Facts & Data


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Etna, California - Basic Facts

The City of Etna had a population of 744 as of July 1, 2020. Etna 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 Etna is located at latitude 41.4568 and longitude -122.8948 in Siskiyou County. The formal boundaries for the City of Etna encompass a land area of 0.76 sq. miles and a water area of 0 sq. miles. Siskiyou County is in the Pacific time zone (GMT -8). The elevation is 2,936 feet.

The City of Etna (GNIS ID: 2410458) 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 Etna is located within Etna CCD of Siskiyou County.

Alternate Unofficial Names for Etna: Etna Mills, Rough and Ready.


Etna, CA Data & Demographics (As of July 1, 2020)


Total Population 744 (100%)
Population in Households 737 (99.1%)
Population in Families 583 (78.4%)
Population in Group Quarters1 7 ( 0.9%)
Population Density 979
Diversity Index2 38


Median Household Income $39,530
Average Household Income $51,523
% of Income for Mortgage4 20%
Per Capita Income $22,668
Wealth Index5 44


Total HU (Housing Units) 370 (100%)
Owner Occupied HU 218 (58.9%)
Renter Occupied HU 110 (29.7%)
Vacant Housing Units 43 (11.6%)
Median Home Value $184,574
Average Home Value $218,664
Housing Affordability Index3 134


Total Households 327
Average Household Size 2.25
Family Households 210
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population 0.09% -0.41%
Households 0.12% -0.37%
Families 0.43% -0.48%
Median Household Income   1.11%
Per Capita Income   1.82%
Owner Occupied HU   -0.37%


Etna, CA - Peer Comparisons by Rank and Percentile

The table below compares Etna to the other 1,521 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2020 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 # 1110 27th
Population Density # 779 49th
Median Household Income # 1335 12th
Housing Affordability Index # 1266 83rd
Per Capita Income # 1156 24th
Diversity Index # 1268 17th

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

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