San Quentin, CA 94964 ZIP Code Profile

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San Quentin, CA

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ZIP Code 94964: Basic Data & USPS Preferred City Name

Preferred Name, USPS
San Quentin, CA 94964

  • ZIP Code Type: PO BOX
  • Businesses Addresses: 39
  • Single Family Addresses: 1
  • Multi-Family Addresses: 0
  • County: Marin County
  • Centroid: Latitude 37.941, Longitude -122.483
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

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.


94964 ZIP Code Map

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San Quentin, CA 94964 Data & Demographics (As of July 1, 2017)


Total Population 4,753
Daytime Population: Workers 2,157
Daytime Population: Residents 147
Total Daytime Population (TDP) 2,304
Ratio TDP/Total Population1 0.48
Population in Households 273
Population in Familes 176
Population in Group Qrtrs 4,480
Population Density2 9,861
Diversity Index3 79


Median Household Income $81,203
Average Household Income $109,651
Per Capita Income $5,725


Total Housing Units 130 (100%)
Owner Occupied HU 33 (25.4%)
Renter Occupied HU 84 (64.6%)
Vacant Housing Units 13 ( 10.0%)
Median Home Value $913,462
Average Home Value $927,273


Total Households 117
Average Household Size 2.33
Family Households 54
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 -1.0% 0.03%
Households 0.6% 0.51%
Families 0.52% 0.73%
Median Household Income   1.91%
Per Capita Income   2.12%

San Quentin, CA 94964 - Peer Comparisons by Rank and Percentile

The table below compares 94964 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 # 1139 35th
Population Density # 177 90th
Diversity Index # 531 70th
Median Household Income # 441 75th
Per Capita Income # 1734 2nd

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

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