Columbia, CA Profile: Facts & Data

The Columbia CDP⁽¹⁾ had a population of 2,522 as of July 1, 2024. 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.

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.

Columbia, CA Data & Demographics (As of July 1, 2024)

POPULATION
Total Population	2,522 (100%)
Population in Households	2,442 (96.8%)
Population in Families	1,735 (68.8%)
Population in Group Quarters¹	80 ( 3.2%)
Population Density	423
Diversity Index²	51


INCOME
Median Household Income	$51,690
Average Household Income	$87,856
% of Income for Mortgage⁴	60%
Per Capita Income	$40,258
Wealth Index⁵	92
Socioeconomic Status Index⁶	Moderate (46.4)

HOUSING
Total HU (Housing Units)	1,319 (100%)
Owner Occupied HU	768 (58.2%)
Renter Occupied HU	386 (29.3%)
Vacant Housing Units	165 (12.5%)
Median Home Value	$491,892
Average Home Value	$549,056
Housing Affordability Index³	43

HOUSEHOLDS
Total Households	1,154
Average Household Size	2.12
Family Households	601
Average Family Size	3.00

NOTES

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.
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.
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.
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).
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.
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.

Columbia, CA - Peer Comparisons by Rank and Percentile

The table below compares Columbia to the other 1,618 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2024 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.

GROWTH RATE / YEAR	2020-2024	2024-2029
Population	-0.51%	-0.17%
Households	0.08%	0.31%
Families		0.56%
Median Household Income		4.20%
Per Capita Income		3.51%
Owner Occupied HU		0.90%

Variable Description	Rank	Percentile
Total Population	# 847	48th
Population Density	# 1014	37th
Median Household Income	# 1375	15th
Housing Affordability Index	# 488	30th
Per Capita Income	# 851	47th
Diversity Index	# 1294	20th

Columbia, CA Profile: Facts & Data

Columbia, California - Basic Facts

Columbia, CA Data & Demographics (As of July 1, 2024)

POPULATION

INCOME

HOUSING

HOUSEHOLDS

GROWTH RATE / YEAR

Columbia, CA - Peer Comparisons by Rank and Percentile

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Tuolumne County