Black Rock, AR Profile: Facts & Data


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Black Rock, Arkansas - Basic Facts

The City of Black Rock had a population of 643 as of July 1, 2018. Black Rock ranks in the lower quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Arkansas. See peer rankings below.

The primary coordinate point for Black Rock is located at latitude 36.1062 and longitude -91.1075 in Lawrence County. The formal boundaries for the City of Black Rock (see map below) encompass a land area of 3.2 sq. miles and a water area of 0.14 sq. miles. Lawrence County is in the Central time zone (GMT -6). The elevation is 315 feet.

The City of Black Rock (GNIS ID: 2403870) 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.

The City of Black Rock is located within Township of Black Rock, a minor civil division (MCD) of Lawrence County.

Alternate Unofficial Names for Black Rock: Blackrock.

Jump to... (On This Page!)
  1. Black Rock 2018 Demographic Data
  2. Growth Rates for Black Rock (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Arkansas Research Tools (Easy Tools & Current Data)
  3. Arkansas Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Black Rock, AR Data & Demographics (As of July 1, 2018)


Total Population 643
Population in Households 643
Population in Familes 555
Population in Group Qrtrs 0
Population Density2 201
Diversity Index3 7


Median Household Income $41,517
Average Household Income $53,700
Per Capita Income $20,645


Total Housing Units 316 (100%)
Owner Occupied HU 196 (62.0%)
Renter Occupied HU 55 (17.4%)
Vacant Housing Units 65 (20.6%)
Median Home Value $94,304
Average Home Value $135,332


Total Households 251
Average Household Size 2.56
Family Households 186
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population -0.35% -0.5%
Households -0.38% -0.48%
Families 0.2% -0.65%
Median Household Income   2.06%
Per Capita Income   2.46%

Black Rock, AR - Peer Comparisons by Rank and Percentile

The table below compares Black Rock to the other 540 incorporated cities, towns and CDPs in Arkansas by rank and percentile using July 1, 2018 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 # 261 52nd
Population Density # 419 23rd
Diversity Index # 528 2nd
Median Household Income # 199 63rd
Per Capita Income # 325 40th

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

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Arkansas Census Data Comparison Tool

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