Johnsville, CA Profile: Facts, Map & Data


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Johnsville, California - Basic Facts

The Johnsville Census Designated Place had a population of 19 as of July 1, 2015. Johnsville ranks in the lower quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Johnsville is located at latitude 39.7697 and longitude -120.6998 in Plumas County. The formal boundaries for the Johnsville Census Designated Place (see map below) encompass a land area of 13.76 sq. miles and a water area of 0.05 sq. miles. Plumas County is in the Pacific time zone (GMT -8). The elevation is 5,180 feet.

The Johnsville Census Designated Place (GNIS ID: 2408450) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Johnsville Census Designated Place is located within Graeagle CCD of Plumas County.

Beneath the boundary map are tables with Johnsville population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Alternate Unofficial Names for Johnsville: Johnstown.

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.


Johnsville Census Designated Place, CA Boundary Map

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Boundary Maps: Graeagle CCD | Plumas County | California Counties

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Johnsville, CA Data & Demographics (As of July 1, 2015)


Total Population 19
Population in Households 19
Population in Familes 15
Population in Group Qrtrs 0
Population Density1 1
Diversity Index2 10


Total Households 11
Average Household Size 1.73
Family Households 7
Average Family Size 2


Total Housing Units 103 (100%)
Owner Occupied HU 9 ( 8.7%)
Renter Occupied HU 2 ( 1.9%)
Vacant Housing Units 92 (89.3%)
Median Home Value $208,333
Average Home Value $216,667


Median Household Income $55,627
Average Household Income $68,945
Per Capita Income $33,519
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.97% 0.0%
Households 0.0% 0.0%
Families -2.51% 0.0%
Median Household Income   0.18%
Per Capita Income   1.55%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Johnsville, CA - Peer Comparisons by Rank and Percentile

The table below compares Johnsville to the other 1,523 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2015 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 # 1499 2nd
Population Density1 # 1511 1st
Diversity Index2 # 1513 1st
Median Household Income # 706 54th
Per Capita Income # 443 71st

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