Mad River, CA Profile: Facts, Map & Data


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Mad River, California - Basic Facts

The Mad River Census Designated Place had a population of 406 as of July 1, 2017. Mad River ranks in the lower quartile for Population Density and 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 Mad River is located at latitude 40.432 and longitude -123.4924 in Trinity County. The formal boundaries for the Mad River Census Designated Place (see map below) encompass a land area of 34.65 sq. miles and a water area of 0 sq. miles. Trinity County is in the Pacific time zone (GMT -8). The elevation is 2,513 feet.

The Mad River Census Designated Place (GNIS ID: 2583071) 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 Mad River Census Designated Place is located within Mad River CCD of Trinity County.

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

Alternate Unofficial Names for Mad River: Mad River Camp.

Neighborhood Data

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Mad River Census Designated Place, CA Boundary Map

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Boundary Maps: Mad River CCD | Trinity County | California Counties

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


Total Population 406
Daytime Population: Workers 233
Daytime Population: Residents 239
Total Daytime Population (TDP) 472
Ratio TDP/Total Population1 1.16
Population in Households 405
Population in Familes 280
Population in Group Qrtrs 1
Population Density2 12
Diversity Index3 32


Median Household Income $47,521
Average Household Income $67,885
Per Capita Income $32,313


Total Housing Units 347 (100%)
Owner Occupied HU 134 (38.6%)
Renter Occupied HU 58 (16.7%)
Vacant Housing Units 155 (44.7%)
Median Home Value $275,000
Average Home Value $358,769


Total Households 192
Average Household Size 2.11
Family Households 104
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 -0.47% -0.65%
Households -0.42% -0.63%
Families -0.65% -0.58%
Median Household Income   1.31%
Per Capita Income   2.36%

Mad River, CA - Peer Comparisons by Rank and Percentile

The table below compares Mad River 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 # 1216 20th
Population Density # 1484 2nd
Diversity Index # 1358 10th
Median Household Income # 1010 33rd
Per Capita Income # 617 59th

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

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