Duncans Mills, CA 95430 ZIP Code Profile

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Duncans Mills, CA

ZIP Code 95430: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Duncans Mills, CA 95430

  • ZIP Code Type: PO BOX
  • County: Sonoma County
  • Centroid: Latitude 38.495, Longitude -123.143
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 38
  • PO Box Addresses: 151
  • Residential Addresses: 152
    • Multi-Family Addresses: 0
    • Single Family Addresses: 1

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2019, Maps updated: February 1, 2019.

Jump to... (On This Page!)
  1. 95430 2018 Demographic Data
  2. Growth Rates for 95430 (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 - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Duncans Mills, CA 95430 Data & Demographics (As of July 1, 2018)


Total Population 214
Population in Households 212
Population in Familes 145
Population in Group Qrtrs 2
Population Density2 9
Diversity Index3 34


Median Household Income $75,462
Average Household Income $92,121
Per Capita Income $45,592


Total Housing Units 192 (100%)
Owner Occupied HU 74 (38.5%)
Renter Occupied HU 31 (16.1%)
Vacant Housing Units 87 (45.3%)
Median Home Value $750,000
Average Home Value $1,057,095


Total Households 105
Average Household Size 2.02
Family Households 55
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.35% -0.38%
Households 0.23% -0.58%
Families 0.22% -0.37%
Median Household Income   3.65%
Per Capita Income   4.6%

Duncans Mills, CA 95430 - Peer Comparisons by Rank and Percentile

The table below compares 95430 to the other 1,763 ZIP Codes in California by rank and percentile using July 1, 2018 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 # 1613 9th
Population Density # 1529 13th
Diversity Index # 1604 9th
Median Household Income # 608 66th
Per Capita Income # 410 77th

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

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