Port Arthur, TX Profile: Facts, Map & Data


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Port Arthur, Texas - Basic Facts

The City of Port Arthur had a population of 55,522 as of July 1, 2017. Port Arthur ranks in the upper 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 Port Arthur is located at latitude 29.8334 and longitude -93.9663 in Jefferson County. The formal boundaries for the City of Port Arthur (see map below) encompass a land area of 76.92 sq. miles and a water area of 67.25 sq. miles. Jefferson County is in the Central time zone (GMT -6). The elevation is 7 feet.

While the primary coordinates for City of Port Arthur are located in Jefferson County, it should be noted that the formal boundaries for this community also extend into and Orange County.

The City of Port Arthur (GNIS ID: 2411461) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Texas is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Port Arthur is located within Sabine Pass Division of Jefferson County.

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

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City of Port Arthur, TX Boundary Map

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Boundary Maps: Sabine Pass Division | Jefferson County | Texas Counties

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Port Arthur, TX Data & Demographics (As of July 1, 2017)


Total Population 55,522
Daytime Population: Workers 23,704
Daytime Population: Residents 34,416
Total Daytime Population (TDP) 58,120
Ratio TDP/Total Population1 1.05
Population in Households 54,840
Population in Familes 44,835
Population in Group Qrtrs 682
Population Density2 722
Diversity Index3 85


Median Household Income $35,901
Average Household Income $50,900
Per Capita Income $19,557


Total Housing Units 24,857 (100%)
Owner Occupied HU 11,870 (47.8%)
Renter Occupied HU 8,950 (36.0%)
Vacant Housing Units 4,037 (16.2%)
Median Home Value $70,376
Average Home Value $103,498


Total Households 20,820
Average Household Size 2.63
Family Households 13,507
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 0.43% 0.45%
Households 0.43% 0.48%
Families 0.33% 0.4%
Median Household Income   1.6%
Per Capita Income   2.59%

Port Arthur, TX - Peer Comparisons by Rank and Percentile

The table below compares Port Arthur 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 # 64 96th
Population Density # 947 46th
Diversity Index # 16 99th
Median Household Income # 1373 22nd
Per Capita Income # 1252 28th

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

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