Petrolia, TX Profile: Facts, Map & Data


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Petrolia, Texas - Basic Facts

Real Estate Resources

The City of Petrolia had a population of 685 as of July 1, 2016. Petrolia ranks in 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 Petrolia is located at latitude 34.0131 and longitude -98.2318 in Clay County. The formal boundaries for the City of Petrolia (see map below) encompass a land area of 0.74 sq. miles and a water area of 0 sq. miles. Clay County is in the Central time zone (GMT -6). The elevation is 997 feet.

The City of Petrolia (GNIS ID: 2411409) 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 Petrolia is located within Byers-Petrolia Division of Clay County.

Beneath the boundary map are tables with Petrolia 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

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 certain data.


City of Petrolia, TX Boundary Map

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Boundary Maps: Byers-Petrolia Division | Clay County | Texas Counties

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Petrolia, TX Data & Demographics (As of July 1, 2016)


Total Population 685
Population in Households 685
Population in Familes 563
Population in Group Qrtrs 0
Population Density1 927
Diversity Index2 24


Total Households 271
Average Household Size 2.53
Family Households 184
Average Family Size 3


Total Housing Units 338 (100%)
Owner Occupied HU 200 (59.2%)
Renter Occupied HU 72 (21.3%)
Vacant Housing Units 67 (19.8%)
Median Home Value $73,098
Average Home Value $93,593


Median Household Income $47,462
Average Household Income $56,021
Per Capita Income $22,032
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.02% 0.03%
Households -0.18% 0.0%
Families -0.43% -0.22%
Median Household Income   -0.79%
Per Capita Income   0.72%
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.

Petrolia, TX - Peer Comparisons by Rank and Percentile

The table below compares Petrolia to the other 1,749 incorporated cities, towns and CDPs in Texas 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 # 1136 35th
Population Density1 # 776 56th
Diversity Index2 # 1526 13th
Median Household Income # 739 58th
Per Capita Income # 924 47th

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