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Mammoth Spring, AR

Last updated
Key Indicators
A quick look at key numbers

Population

1,226
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

35.6
years ∙ half population younger than 35.6, half older

Diversity Index

Low High
8.3%
chance two random people differ in race and ethnicity

Nativity

0%
foreign-born population
100%Native
0% Foreign-born

Geographic Context

Location, size, and surroundings

About

Mammoth Spring is a city within Fulton County, Arkansas, United States.
Location
City in Fulton County, AR, US
Co-ordinates
DEC36.492410° N, 91.541067° W
DMS36° 29′ 32.68″ N, 91° 32′ 27.84″ W

Population Density & area

950.4/sq mi (366/km²)
Total Area
1.34 sq mi (3.47 km²)
Land Area
1.29 sq mi (3.35 km²) · 96.5%
Water Area
0.05 sq mi (0.12 km²) · 3.5%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

40.2% male
Male 40.2%
Female 59.8%
males per 100 females
Mammoth Spring 67.3
Fulton County 94.9
Arkansas 97.5

Nativity

0%
foreign-born population
100%Native
0% Foreign-born
% Foreign-born
Mammoth Spring 0%
Fulton County 0.6%
Arkansas 5.4%
Age Distribution
How the population is spread across age groups

Median Age

35.6
years ∙ half population younger than 35.6, half older
Mammoth Spring
35.6
Fulton County
47.6
Arkansas
38.5

Dependency ratio

Low High
115.5
dependents per 100 working-age adults
Mammoth Spring 115.5
Fulton County 87.5
Arkansas 68.6

AGE DISTRIBUTION

Distribution of age group
Median age
Mammoth Spring Fulton County Arkansas
Age Group
Children (Under 18) 31.8% 20.7% 23.1%
Working age (18-64) 46.4% 53.3% 59.3%
Senior (65+) 21.8% 26% 17.6%
Dependency ratio
Total dependency ratio 115.5 87.5 68.6
Child dependency ratio 68.5 38.7 39
Old-age dependency ratio 46.9 48.8 29.6
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares

Race & Ethnicity

White
95.7%
Black
0%
Asian
0%
Hispanic
0.8%
Other
3.5%
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

Low High
8.3%
chance two random people differ in race and ethnicity
Mammoth Spring 8.3%
Fulton County 14.5%
Arkansas 51.2%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity
Percentage of Mammoth Spring population
Mammoth Spring Fulton County Arkansas
Hispanic or Latino 0.8% 1.9% 9%
Mexican 0.8% 1% 6.3%
Puerto Rican 0% 0.2% 0.3%
Cuban 0% 0% 0.1%
Other Hispanic / Latino 0% 0.8% 2.4%
Not Hispanic or Latino 99.2% 98.1% 91%
One race 95.7% 93.3% 84.7%
White 95.7% 92.3% 67.4%
Black or African American 0% 0.3% 14.6%
American Indian and Alaska Native 0% 0.1% 0.3%
Asian 0% 0.2% 1.6%
Native Hawaiian and Other Pacific Islander 0% 0% 0.4%
Some Other Race 0% 0.3% 0.3%
Two or more races (Multiracial) 3.5% 4.8% 6.3%
Household & Families Composition
Household size, type, and family structure

Household structure

65.4% family
Family 65.4%
Non family 34.6%
% family households
Mammoth Spring 65.4%
Fulton County 61.2%
Arkansas 64.6%

Average household size

3.12
persons per household
Mammoth Spring
3.12
Fulton County
2.55
Arkansas
2.46

Household & Family COMPOSITION

Households
Percentage of Mammoth Spring population
Mammoth Spring Fulton County Arkansas
Total households 393 4,757 1,205,987
Average houshold size 3.12 2.55 2.46
Family households 257 2,913 779,074
Average family size 4.2 3.38 3.06
Married couple family 188 2,272 566,646
Other families 69 641 212,428
Male householder 24 151 57,955
Female householder 45 490 154,473
Non-family households 136 1,844 426,913
One-person households 131 1,646 360,000
Male householder 46 784 165,673
Senior (65+) living alone 29 349 51,376
Female householder 85 862 194,327
Senior (65+) living alone 73 463 99,092
Other living arrangements 5 198 66,913

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

474
housing units
Mammoth Spring 474
Fulton County 6,225
Arkansas 1,394,673

Occupancy status

82.9% occupied
Occupied 82.9%
Vacant 17.1%
vacancy rate
Mammoth Spring 17.1%
Fulton County 23.6%
Arkansas 13.5%
Housing Characteristics
How the housing supply is structured and used

Types of Housing unit

90.8%
Single family houses
Single family houses
90.8%
Apartments in multi-unit structures
5.7%
Mobile homes
3.6%
Boat, RV, van, etc
0%

Median Year Built

1972
Half of houses were built before 1972, and half after.
Historic ∙ 1939 or earlier
8.2%
Postwar & mid-century ∙ 1940 - 1969
42.3%
Late 20th century ∙ 1970 - 1999
44.3%
Modern ∙ 2000 or later
5%
Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms
Physical characteristics of housing units
Mammoth Spring Fulton County Arkansas
Rooms per unit
Median rooms 5.8 5.5 5.5
1–3 rooms 9.5% 10.4% 11.6%
4–6 rooms 59.2% 59.6% 58.6%
7+ rooms 31.3% 30% 29.8%
Bedrooms
No bedroom / studio 0.6% 1.8% 1.9%
1 bedroom 7.4% 5.6% 7.6%
2 bedrooms 23.2% 30.6% 24.5%
3 bedrooms 48.9% 49.6% 48.9%
4+ bedrooms 19.8% 12.4% 17.1%
At a glance
Median year built 1972 1987 1988
Total housing units 474 6,225 1,394,673
Occupancy Profile
Who is inside and how they use it

Homeownership

80.2% owners
Renter-occupied 19.8%
Owner-occupied 80.2%
homeownership rate
Mammoth Spring 80.2%
Fulton County 84.7%
Arkansas 66.4%

Average household size

3.49
Owner-occupied
1.64
Renter-occupied
owner-occupied average size
Mammoth Spring 3.49
Fulton County 2.58
Arkansas 2.54

Housing Characteristics

Occupied unit characteristics
Tenure, crowding, and utilities
Mammoth Spring Fulton County Arkansas
Total occupied units 393 4,757 1,205,987
Year moved in
2020 or later 22.4% 17.2% 26.4%
2010 to 2019 30.5% 33.7% 39.9%
2000 to 2009 13.2% 25.1% 16%
1999 or earlier 33.9% 24% 17.6%
Occupants per room
1.00 or fewer 91.9% 98.1% 97.3%
1.01 to 1.50 8.1% 1.8% 1.8%
1.51 or more 0% 0.1% 0.8%
Vehicles availability
No vehicles 14.2% 4.6% 5.9%
1 vehicle 34.6% 29.8% 33.2%
2 vehicles 21.4% 34.6% 37.8%
3 or more vehicles 29.8% 31% 23.2%
House heating fuel used
Gas 34.9% 29% 42.8%
Electricity 51.7% 58.6% 53.7%
Solar 0% 0% 0.2%
Fuel oil, kerosene etc 2.3% 0.2% 0.1%
All other fuels 11.2% 10.8% 2.9%
No fuel used 0% 1.3% 0.5%
Selected characteristics
Lacking complete plumbing 0.8% 1.7% 0.6%
Lacking complete kitchen 0.8% 3.5% 1%
No telephone service available 2.3% 2.3% 1%
Housing Value
What owner-occupied units are worth

Median home value

$103,000
owner-occupied units
Median value(USD)
Mammoth Spring
$103,000
Fulton County
$113,800
Arkansas
$188,000

Housing Cost Burden

58.5%
of homeowners with a mortgage are cost-burdened
% Cost-Burdened Households
Owners with a mortgage
58.5%
Owners without a mortgage
32.9%
Renters
31.4%
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs
Tenure, crowding, and utilities
Mammoth Spring Fulton County Arkansas
Property value
Median Value $103,000 $113,800 $188,000
Under $100,000 49.2% 42.2% 24.4%
$100,000 - $200,000 39% 30.1% 28.6%
$200,000 - $300,000 7% 13.1% 21.7%
$300,000 - $500,000 4.1% 13.5% 17.2%
$500,000 - $1,000,000 0.6% 0.6% 6.7%
$1,000,000 and more 0% 0.5% 1.4%
Owner-occupied households
With a mortgage 53.7% 42.2% 52.8%
Without a mortgage 46.3% 57.8% 47.2%
Median monthly owner costs
With a mortgage $803 $1,083 $1,345
Without a mortgage $472 $360 $437
Gross rent
Median rent $404 $626 $947

Education Profile

How educated is the community and how education pays off

Adults with a college degree

14.9%
of adults 25+ with a bachelor's degree or higher
Mammoth Spring 14.9%
Fulton County 16%
Arkansas 25.7%

Adults without a high school diploma

14.4%
of adults (25+) without a high school diploma
Mammoth Spring 14.4%
Fulton County 11.7%
Arkansas 11.3%
School Enrollment
Who is enrolled in school and at what level

School enrollment

256
population (age 3+) enrolled in school
Nursery / Preschool
15.6%
K–12
65.2%
College / Undergraduate
18.4%
Graduate / Professional
0.8%

College-going rate (18-24 yr olds)

45.9%
of 18-24-year-olds in college or graduate school
Mammoth Spring
45.9%
Fulton County
28.7%
Arkansas
33.4%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
Mammoth Spring Fulton County Arkansas
Total enrolled (age 3+) 256 2,275 707,273
Nursery / preschool 15.6% 4.2% 6.1%
K–12 65.2% 81.7% 71.7%
Kindergarten 0% 6% 5.3%
Elementary: Grades 1–4 28.9% 22.2% 21.7%
Elementary: Grades 5–8 16.4% 28.3% 22.3%
High School: Grades 9–12 19.9% 25.2% 22.4%
College or graduate school 19.1% 14.1% 22.2%
College, undergraduate 18.4% 11.6% 17.9%
Graduate, professional school 0.8% 2.5% 4.2%
College-going rate · 18-24 yr olds 45.9% 28.7% 33.4%
School type
Public school 90.6% 89.1% 86.4%
Private school 9.4% 10.9% 13.6%
Education Attainment by Level & Gender
What is the highest level of education completed among adults

Education attainment

799
population 25 years and over
Total adults (25+)
Less than 9th grade
1.9%
9th-12th, no diploma
12.5%
HS graduate
37.7%
Some college no degree
26%
Associates degree
7%
Bachelors degree
9.6%
Graduate or professional degree
5.3%

Attainment by gender

Male vs Female
Adults (25+) · Share within each education level
% male · % female
Less than 9th grade
100% · 0%
9th-12th, no diploma
69% · 31%
HS graduate
27.9% · 72.1%
Some college no degree
24.5% · 75.5%
Associates degree
5.4% · 94.6%
Bachelors degree
50.6% · 49.4%
Graduate or professional degree
59.5% · 40.5%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
Mammoth Spring Fulton County Arkansas
Population (25+) 799 9,046 2,059,172
Less than 9th grade 1.9% 3.3% 4.3%
9th–12th, no diploma 12.5% 8.4% 7%
High school diploma or GED 37.7% 41.1% 34.1%
Some college, no degree 26% 22.4% 20.7%
Associate's degree 7% 8.9% 8.2%
Bachelor's degree or higher 14.9% 16% 25.7%
Bachelor's degree 9.6% 9.6% 16.3%
Graduate or professional 5.3% 6.4% 9.5%
High School or higher 85.6% 88.3% 88.7%
Earnings by education level
percentage as applicable

Median Earnings

$20,298
Median earnings for adults 25+, by level
Less than HS graduate
$8,954
HS graduate
$29,177
Some college or associates
$—
Bachelors degree
$31,500
Graduate or professional degree
$—

Poverty Rate

10.1%
for ages 25+, with bachelors degree or higher
Less than HS graduate
80%
HS graduate
32.6%
Some college or associates
34.8%
Bachelors degree or higher
10.1%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)
Adults 25+
Mammoth Spring Fulton County Arkansas
Median earnings
Population 25+, with earnings $20,298 $33,740 $44,499
Less than high school graduate $8,954 $— $31,882
High school graduate (includes equivalency) $29,177 $32,144 $36,880
Some college or associate's degree $— $33,490 $41,256
Bachelor's degree $31,500 $44,583 $57,697
Graduate or professional degree $— $56,181 $74,020
Poverty rates
Less than high school graduate 80% 25.1% 26.8%
High school graduate (includes equivalency) 32.6% 18.7% 17.1%
Some college or associate's degree 34.8% 15.9% 11.9%
Bachelor's degree or higher 10.1% 7.8% 4.7%

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