Columbia, CA 95310 ZIP Code Profile

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Columbia, CA

ZIP Code 95310: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Columbia, CA 95310

  • ZIP Code Type: STANDARD
  • County: Tuolumne County
  • Centroid: Latitude 38.043, Longitude -120.391
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 96
  • PO Box Addresses: 752
  • Residential Addresses: 742
    • Multi-Family Addresses: 0
    • Single Family Addresses: 742

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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95310 ZIP Code Map

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Columbia, CA 95310 Data & Demographics (As of July 1, 2017)


Total Population 1,665
Daytime Population: Workers 538
Daytime Population: Residents 1,135
Total Daytime Population (TDP) 1,673
Ratio TDP/Total Population1 1.00
Population in Households 1,641
Population in Familes 1,250
Population in Group Qrtrs 24
Population Density2 135
Diversity Index3 29


Median Household Income $38,546
Average Household Income $58,853
Per Capita Income $25,835


Total Housing Units 865 (100%)
Owner Occupied HU 502 (58.0%)
Renter Occupied HU 223 (25.8%)
Vacant Housing Units 140 (16.2%)
Median Home Value $240,909
Average Home Value $302,042


Total Households 725
Average Household Size 2.26
Family Households 452
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 0.11% 0.43%
Households 0.21% 0.44%
Families 0.22% 0.4%
Median Household Income   0.42%
Per Capita Income   2.01%

Columbia, CA 95310 - Peer Comparisons by Rank and Percentile

The table below compares 95310 to the other 1,761 ZIP Codes 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 # 1325 25th
Population Density # 1153 35th
Diversity Index # 1655 6th
Median Household Income # 1484 16th
Per Capita Income # 1106 37th

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

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