Columbia, CA Profile: Facts & Data

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Columbia, California - Basic Facts

The Columbia CDP(1) had a population of 2,589 as of July 1, 2023. Columbia 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 Columbia is located at latitude 38.0363 and longitude -120.4013 in Tuolumne County. The formal boundaries for the Columbia Census Designated Place encompass a land area of 5.96 sq. miles and a water area of 0.02 sq. miles. Tuolumne County is in the Pacific time zone (GMT -8).

The Columbia Census Designated Place 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 Columbia Census Designated Place is located within Twain Harte-Tuolumne City CCD of Tuolumne County.


  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

Jump to... (On This Page!)
  1. Columbia 2023 Demographic Data
  2. Growth Rates for Columbia (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 - 2023 Demographics
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Columbia, CA Data & Demographics (As of July 1, 2023)

POPULATION

Total Population 2,589 (100%)
Population in Households 2,492 (96.3%)
Population in Families 1,867 (72.1%)
Population in Group Quarters1 97 ( 3.7%)
Population Density 434
Diversity Index2 50
 
 

INCOME

Median Household Income $43,487
Average Household Income $71,753
% of Income for Mortgage4 60%
Per Capita Income $32,523
Wealth Index5 69
Socioeconomic Status Index6 Moderate (46.3)
 

HOUSING

Total HU (Housing Units) 1,331 (100%)
Owner Occupied HU 816 (61.3%)
Renter Occupied HU 355 (26.7%)
Vacant Housing Units 160 (12.0%)
Median Home Value $432,911
Average Home Value $460,018
Housing Affordability Index3 42
 

HOUSEHOLDS

Total Households 1,171
Average Household Size 2.13
Family Households 679
Average Family Size 3.00
NOTES
  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.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

GROWTH RATE / YEAR

2020-2023 2023-2028
Population 0.14% 0.22%
Households 0.56% 0.44%
Families   0.41%
Median Household Income   3.52%
Per Capita Income   3.01%
Owner Occupied HU   0.70%

Columbia, CA - Peer Comparisons by Rank and Percentile

The table below compares Columbia to the other 1,611 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2023 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 # 844 48th
Population Density # 1014 37th
Median Household Income # 1429 11th
Housing Affordability Index # 432 27th
Per Capita Income # 1023 37th
Diversity Index # 1300 19th

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

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