Junction City, CA Profile: Facts, Map & Data


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Junction City, California - Basic Facts

The Junction City Census Designated Place had a population of 673 as of July 1, 2015. Junction City 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 Junction City is located at latitude 40.7242 and longitude -123.0507 in Trinity County. The formal boundaries for the Junction City Census Designated Place (see map below) encompass a land area of 27.9 sq. miles and a water area of 0.05 sq. miles. Trinity County is in the Pacific time zone (GMT -8). The elevation is 1,604 feet.

The Junction City Census Designated Place (GNIS ID: 2583043) 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 Junction City Census Designated Place is located within Northwest Trinity CCD of Trinity County.

Beneath the boundary map are tables with Junction City 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 Junction City: Junction, Milltown.

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.


Junction City Census Designated Place, CA Boundary Map

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Boundary Maps: Northwest Trinity CCD | Trinity County | California Counties

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


Total Population 673
Population in Households 660
Population in Familes 507
Population in Group Qrtrs 13
Population Density1 24
Diversity Index2 36


Total Households 290
Average Household Size 2.28
Family Households 181
Average Family Size 3


Total Housing Units 361 (100%)
Owner Occupied HU 225 (62.3%)
Renter Occupied HU 65 (18.0%)
Vacant Housing Units 71 (19.7%)
Median Home Value $246,739
Average Home Value $278,222


Median Household Income $39,154
Average Household Income $46,692
Per Capita Income $20,659
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.2% -0.39%
Households -0.2% -0.28%
Families -0.62% -0.22%
Median Household Income   1.19%
Per Capita Income   2.14%
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.


Junction City, CA - Peer Comparisons by Rank and Percentile

The table below compares Junction City 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 # 1132 26th
Population Density1 # 1467 4th
Diversity Index2 # 1259 17th
Median Household Income # 1210 21st
Per Capita Income # 1025 33rd

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