Trinidad, CA Profile: Facts, Map & Data


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Trinidad, California - Basic Facts

The City of Trinidad had a population of 381 as of July 1, 2017.

The primary coordinate point for Trinidad is located at latitude 41.0577 and longitude -124.1433 in Humboldt County. The formal boundaries for the City of Trinidad (see map below) encompass a land area of 0.49 sq. miles and a water area of 0.19 sq. miles. Humboldt County is in the Pacific time zone (GMT -8). The elevation is 174 feet.

The City of Trinidad (GNIS ID: 2412093) 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 Trinidad is located within North Coastal CCD of Humboldt County.

Beneath the boundary map are tables with Trinidad 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 Trinidad: Cho-Ri, Tsurai, Warnersville, Warnerville.

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 Trinidad, CA Boundary Map

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Boundary Maps: North Coastal CCD | Humboldt County | California Counties

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


Total Population 381
Daytime Population: Workers 476
Daytime Population: Residents 220
Total Daytime Population (TDP) 696
Ratio TDP/Total Population1 1.83
Population in Households 380
Population in Familes 264
Population in Group Qrtrs 1
Population Density2 786
Diversity Index3 45


Median Household Income $48,623
Average Household Income $56,980
Per Capita Income $26,297


Total Housing Units 260 (100%)
Owner Occupied HU 114 (43.8%)
Renter Occupied HU 80 (30.8%)
Vacant Housing Units 66 (25.4%)
Median Home Value $531,250
Average Home Value $542,035


Total Households 194
Average Household Size 1.96
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 0.52% 0.47%
Households 0.51% 0.51%
Families 2.33% 0.57%
Median Household Income   0.0%
Per Capita Income   1.26%

Trinidad, CA - Peer Comparisons by Rank and Percentile

The table below compares Trinidad 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 # 1225 19th
Population Density # 829 45th
Diversity Index # 1081 29th
Median Household Income # 987 35th
Per Capita Income # 901 41st

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

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