Somerton, AZ Profile: Facts, Map & Data


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Somerton, Arizona - Basic Facts

The City of Somerton is an incorporated place (Class Code P1) located in Yuma County at latitude 32.602 and longitude -114.6958. Yuma County is in the Mountain time zone (GMT -7). The elevation is 105 feet.

The formal official name is the City of Somerton, but most people and references simply refer to it as Somerton, Arizona.

The P1 Census Class Code for Somerton indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

The formal boundaries for the City of Somerton (see map below) encompass a land area of 7.42 sq. miles and a water area of 0.01 sq. miles.

Alternate Unofficial Names for Somerton: Algodones Land Grant.

City of Somerton, AZ Boundary Map


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Boundary Maps: Somerton Division | Yuma County | Arizona Counties

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Somerton, AZ Data & Demographics (As of July 1, 2014)


Total Population 14,723
Population in Households 14,722
Population in Familes 13,769
Population in Group Qrtrs 1
Population Density1 2,020
Diversity Index2 62


Total Households 3,902
Average Household Size 3.77
Family Households 3,440
Average Family Size 4


Total Housing Units 4,173 (100%)
Owner Occupied HU 2,691 (64.5%)
Renter Occupied HU 1,211 (29.0%)
Vacant Housing Units 271 ( 6.5%)
Median Home Value $107,295
Average Home Value $189,201


Median Household Income $32,105
Average Household Income $37,907
Per Capita Income $10,037
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.71% 0.64%
Households 0.68% 0.58%
Families 0.61% 0.53%
Median Household Income   2.52%
Per Capita Income   2.16%
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.


Somerton, AZ - Peer Comparisons by Rank and Percentile

The table below compares Somerton to the other 451 incorporated cities, towns and CDPs in Arizona by rank and percentile using July 1, 2014 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 # 51 89th
Population Density1 # 28 94th
Diversity Index2 # 123 73rd
Median Household Income # 299 34th
Per Capita Income # 385 15th

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