Mammoth Spring, AR Profile: Facts & Data


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Mammoth Spring, Arkansas - Basic Facts

The City of Mammoth Spring had a population of 925 as of July 1, 2020. Mammoth Spring ranks in the lower quartile for 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 Mammoth Spring is located at latitude 36.4956 and longitude -91.5407 in Fulton County. The formal boundaries for the City of Mammoth Spring encompass a land area of 1.34 sq. miles and a water area of 0.05 sq. miles. Fulton County is in the Central time zone (GMT -6). The elevation is 528 feet.

The City of Mammoth Spring (GNIS ID: 2405002) 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 Mammoth Spring is located within Township of Mammoth Spring, a minor civil division (MCD) of Fulton County.

Alternate Unofficial Names for Mammoth Spring: Mammoth Spring Station.


Mammoth Spring, AR Data & Demographics (As of July 1, 2020)


Total Population 925 (100%)
Population in Households 925 (100.0%)
Population in Families 704 (76.1%)
Population in Group Quarters1 0
Population Density 717
Diversity Index2 11


Median Household Income $28,855
Average Household Income $39,286
% of Income for Mortgage4 13%
Per Capita Income $18,595
Wealth Index5 30


Total HU (Housing Units) 594 (100%)
Owner Occupied HU 311 (52.4%)
Renter Occupied HU 135 (22.7%)
Vacant Housing Units 147 (24.7%)
Median Home Value $90,054
Average Home Value $110,048
Housing Affordability Index3 199


Total Households 447
Average Household Size 2.07
Family Households 261
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population -0.31% -0.17%
Households -0.13% -0.09%
Families 0.0% -0.31%
Median Household Income   2.22%
Per Capita Income   2.06%
Owner Occupied HU   -0.06%


Mammoth Spring, AR - Peer Comparisons by Rank and Percentile

The table below compares Mammoth Spring to the other 540 incorporated cities, towns and CDPs in Arkansas by rank and percentile using July 1, 2020 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 # 218 60th
Population Density # 143 74th
Median Household Income # 501 7th
Housing Affordability Index # 160 30th
Per Capita Income # 442 18th
Diversity Index # 497 9th

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

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