St Johns CDP, AZ Profile: Facts, Map & Data


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St Johns CDP, Arizona - Basic Facts

The Saint Johns Census Designated Place had a population of 564 as of July 1, 2016.

The primary coordinate point for St Johns CDP is located at latitude 33.3085 and longitude -112.1974 in Maricopa County. The formal boundaries for the Saint Johns Census Designated Place (see map below) encompass a land area of 2.28 sq. miles and a water area of 0 sq. miles.

The Saint Johns Census Designated Place (GNIS ID: 2612144) has a U2 Census Class Code which indicates a census designated place without an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

Arizona is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Saint Johns Census Designated Place is located within Saint Johns Division of Maricopa County.

Beneath the boundary map are tables with St Johns CDP population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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Saint Johns Census Designated Place, AZ Boundary Map

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Boundary Maps: Saint Johns Division | Maricopa County | Arizona Counties

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St Johns CDP, AZ Data & Demographics (As of July 1, 2016)


Total Population 564
Population in Households 564
Population in Familes 493
Population in Group Qrtrs 0
Population Density1 247
Diversity Index2 37


Total Households 151
Average Household Size 3.74
Family Households 120
Average Family Size 4


Total Housing Units 164 (100%)
Owner Occupied HU 91 (55.5%)
Renter Occupied HU 60 (36.6%)
Vacant Housing Units 13 ( 7.9%)
Median Home Value $81,250
Average Home Value $124,176


Median Household Income $17,556
Average Household Income $26,277
Per Capita Income $6,733
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 2.75% 2.59%
Households 2.81% 2.64%
Families 3.13% 2.53%
Median Household Income   0.35%
Per Capita Income   1.09%
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.

St Johns CDP, AZ - Peer Comparisons by Rank and Percentile

The table below compares St Johns CDP to the other 451 incorporated cities, towns and CDPs in Arizona by rank and percentile using July 1, 2016 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 # 276 39th
Population Density1 # 198 56th
Diversity Index2 # 239 47th
Median Household Income # 434 4th
Per Capita Income # 447 1st

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

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