South Alamo, TX Profile: Facts, Map & Data


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South Alamo, Texas - Basic Facts

The South Alamo Census Designated Place had a population of 3,425 as of July 1, 2017. South Alamo ranks in the upper quartile for Population Density and the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Texas. See peer rankings below.

The primary coordinate point for South Alamo is located at latitude 26.1518 and longitude -98.1078 in Hidalgo County. The formal boundaries for the South Alamo Census Designated Place (see map below) encompass a land area of 2.04 sq. miles and a water area of 0 sq. miles. Hidalgo County is in the Central time zone (GMT -6). The elevation is 95 feet.

The South Alamo Census Designated Place (GNIS ID: 2408760) 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.

Texas is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The South Alamo Census Designated Place is located within McAllen-Pharr Division of Hidalgo County.

Beneath the boundary map are tables with South Alamo population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Neighborhood Data

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South Alamo Census Designated Place, TX Boundary Map

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Boundary Maps: McAllen-Pharr Division | Hidalgo County | Texas Counties

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South Alamo, TX Data & Demographics (As of July 1, 2017)


Total Population 3,425
Daytime Population: Workers 4
Daytime Population: Residents 2,494
Total Daytime Population (TDP) 2,498
Ratio TDP/Total Population1 0.73
Population in Households 3,425
Population in Familes 3,174
Population in Group Qrtrs 0
Population Density2 1,680
Diversity Index3 14


Median Household Income $25,802
Average Household Income $34,584
Per Capita Income $8,636


Total Housing Units 797 (100%)
Owner Occupied HU 610 (76.5%)
Renter Occupied HU 140 (17.6%)
Vacant Housing Units 47 ( 5.9%)
Median Home Value $38,317
Average Home Value $49,139


Total Households 750
Average Household Size 4.57
Family Households 646
Average Family Size 5
  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 0.26% 0.47%
Households 0.26% 0.45%
Families -0.48% 0.46%
Median Household Income   0.59%
Per Capita Income   2.26%

South Alamo, TX - Peer Comparisons by Rank and Percentile

The table below compares South Alamo to the other 1,749 incorporated cities, towns and CDPs in Texas 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 # 517 70th
Population Density # 383 78th
Diversity Index # 1645 6th
Median Household Income # 1668 5th
Per Capita Income # 1723 2nd

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

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