Armstrong, TX 78338 ZIP Code Profile

Related Place Profiles:
Armstrong, TX | Norias, TX | Rudolph, TX

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ZIP Code 78338: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Armstrong, TX 78338

Not Acceptable, USPS
Norias, TX 78338
Rudolph, TX 78338

  • ZIP Code Type: PO BOX
  • County: Kenedy County
  • Centroid: Latitude 26.826, Longitude -97.751
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 3
  • PO Box Addresses: 5
  • Residential Addresses: 0
    • Multi-Family Addresses: 0
    • Single Family Addresses: 0

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic 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 demographic data.


78338 ZIP Code Map

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Armstrong, TX 78338 Data & Demographics (As of July 1, 2017)


Total Population 129
Daytime Population: Workers 12
Daytime Population: Residents 98
Total Daytime Population (TDP) 110
Ratio TDP/Total Population1 0.85
Population in Households 129
Population in Familes 108
Population in Group Qrtrs 0
Population Density2 0
Diversity Index3 50


Median Household Income $37,350
Average Household Income $55,343
Per Capita Income $19,735


Total Housing Units 120 (100%)
Owner Occupied HU 15 (12.5%)
Renter Occupied HU 31 (25.8%)
Vacant Housing Units 74 (61.7%)
Median Home Value $158,333
Average Home Value $215,000


Total Households 46
Average Household Size 2.8
Family Households 32
Average Family Size 3
  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 -1.02% -1.27%
Households -1.14% -1.34%
Families -1.23% -1.28%
Median Household Income   1.23%
Per Capita Income   2.46%

Armstrong, TX 78338 - Peer Comparisons by Rank and Percentile

The table below compares 78338 to the other 1,848 ZIP Codes 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 # 1746 6th
Population Density # 1836 1st
Diversity Index # 1172 37th
Median Household Income # 1581 15th
Per Capita Income # 1512 18th

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

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