Napa County CA Information


Napa County Subdivisions

Napa County CA Data & Demographics (As of July 1, 2018)


Total Population 142,862
Population in Households 137,864
Population in Familes 112,723
Population in Group Qrtrs 4,998
Population Density1 191
Diversity Index2 74


Median Household Income $78,863
Average Household Income $110,169
Per Capita Income $40,077


Total Housing Units 56,458 (100%)
Owner Occupied HU 32,558 (57.7%)
Renter Occupied HU 18,223 (32.3%)
Vacant Housing Units 5,677 (10.1%)
Median Home Value $641,544
Average Home Value $795,670


Total Households 50,781
Average Household Size 2.71
Family Households 34,347
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 0.56% 0.57%
Households 0.46% 0.52%
Families 0.47% 0.52%
Median Household Income   3.48%
Per Capita Income   3.48%


Napa County CA - Peer Comparisons by Rank and Percentile

The table below compares Napa County to the other 58 counties and county equivalents 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 # 34 43rd
Population Density # 20 67th
Diversity Index # 29 52nd
Median Household Income # 11 83rd
Per Capita Income # 10 84th

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