Napa County CA Information


Napa County Subdivisions

Napa County CA Data & Demographics (As of July 1, 2017)


Total Population 143,012
Daytime Population: Workers 75,860
Daytime Population: Residents 73,601
Total Daytime Population (TDP) 149,461
Ratio TDP/Total Population1 1.05
Population in Households 137,969
Population in Familes 111,972
Population in Group Qrtrs 5,043
Population Density2 191
Diversity Index3 74


Median Household Income $74,777
Average Household Income $103,312
Per Capita Income $37,618


Total Housing Units 56,872 (100%)
Owner Occupied HU 31,082 (54.7%)
Renter Occupied HU 19,712 (34.7%)
Vacant Housing Units 6,078 (10.7%)
Median Home Value $583,839
Average Home Value $652,271


Total Households 50,794
Average Household Size 2.72
Family Households 34,345
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 0.65% 0.71%
Households 0.53% 0.66%
Families 0.53% 0.65%
Median Household Income   2.08%
Per Capita Income   2.32%


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, 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 # 34 43rd
Population Density # 20 67th
Diversity Index # 29 50th
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.