Saint Helena, CA 94574 ZIP Code Profile

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Saint Helena, CA

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ZIP Code 94574: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Saint Helena, CA 94574

  • ZIP Code Type: STANDARD
  • County: Napa County
  • Centroid: Latitude 38.51, Longitude -122.451
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 872
  • PO Box Addresses: 374
  • Residential Addresses: 4,124
    • Multi-Family Addresses: 554
    • Single Family Addresses: 3,570

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

EXTREMELY LOCAL Demographic 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 demographic data.


94574 ZIP Code Map

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Saint Helena, CA 94574 Data & Demographics (As of July 1, 2017)


Total Population 9,177
Daytime Population: Workers 11,659
Daytime Population: Residents 4,774
Total Daytime Population (TDP) 16,433
Ratio TDP/Total Population1 1.79
Population in Households 9,017
Population in Familes 6,947
Population in Group Qrtrs 160
Population Density2 75
Diversity Index3 66


Median Household Income $84,061
Average Household Income $126,259
Per Capita Income $53,057


Total Housing Units 4,604 (100%)
Owner Occupied HU 2,135 (46.4%)
Renter Occupied HU 1,667 (36.2%)
Vacant Housing Units 802 (17.4%)
Median Home Value $1,000,001
Average Home Value $1,037,904


Total Households 3,802
Average Household Size 2.37
Family Households 2,365
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 0.62% 0.77%
Households 0.61% 0.72%
Families 0.62% 0.72%
Median Household Income   2.31%
Per Capita Income   2.15%

Saint Helena, CA 94574 - Peer Comparisons by Rank and Percentile

The table below compares 94574 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 # 1025 42nd
Population Density # 1245 29th
Diversity Index # 928 47th
Median Household Income # 400 77th
Per Capita Income # 231 87th

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

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