Oacoma, South Dakota Population 2024

373

Oacoma is a city located in Lyman County South Dakota. Oacoma has a 2024 population of 373. Oacoma is currently declining at a rate of -1.58% annually and its population has decreased by -3.37% since the most recent census, which recorded a population of 386 in 2020.

The average household income in Oacoma is $76,166 with a poverty rate of 3.94%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Oacoma is 57.3 years, 61.1 years for males, and 52.8 years for females.

Oacoma Demographics

According to the most recent ACS, the racial composition of Oacoma was:

  • White: 91.38%
  • Native American: 4.68%
  • Other race: 3.94%
  • Black or African American:
  • Asian:
  • Native Hawaiian or Pacific Islander:
  • Two or more races:
Land Area (mi²)
2.6 sq mi
Density (mi²)
144.0/sq mi
Growth Since 2020
-3.37% (-13)
The current population of Oacoma, South Dakota is 373 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 386.

Oacoma, South Dakota Population 2024

Population by Race

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Race
Population
Percentage (of total)
White37191.38%
Native American194.68%
Other race163.94%
Black or African American
Asian
Native Hawaiian or Pacific Islander
Two or more races
showing: 7 rows

White

Native American

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Two or more races

Oacoma Population by Race

Oacoma Population Pyramid 2024

Oacoma Median Age

57.3

Total

61.1

Male

52.8

Female

Oacoma Adults

There are 332 adults, (116 of whom are seniors) in Oacoma.

Oacoma Age Dependency

88

Age Dependency Ratio

53.7

Old Age Dependency Ratio

34.3

Child Dependency Ratio

Oacoma Sex Ratio

Female18144.58%
Male22555.42%

Oacoma Population by Age

Oacoma Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All203273.926.1
Married952.5891.68.4
Non Family921.1664.135.9
Male83.885050
Female82.880100
showing: 5 rows

2.64

Average Family Size

2

Average Household Size

73.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Oacoma Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Oacoma Educational Attainment by Sex (over 25)

Oacoma Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 95.22%.

The highest rate of bachelors degrees is among white people with a rate of 22.53%.

Oacoma Educational Attainment by Race

All

Male

Female

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$43,750

Average Earnings

$48,000

Average Male

$40,000

Average Female

Oacoma Earnings by Educational Attainment

Oacoma Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Oacoma Language

95.87% of Oacoma residents speak only English, while 4.13% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.13% of the population.

Oacoma Language

Oacoma Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Other1616100%
Hispanic1616100%
showing: 2 rows

3.94%

Overall Poverty Rate

Male Poverty Rate

8.84%

Female Poverty Rate

Poverty in Oacoma

The race most likely to be in poverty in Oacoma is Other, with 100% below the poverty level.

The race least likely to be in poverty in Oacoma is Hispanic, with 100% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was . Among those working part-time, it was 24.24%, and for those that did not work, the poverty rate was .

Oacoma Poverty

rate

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Rate
Poverty
Less Than 9th Grade
High School
Some College
Bachelors or Greater
showing: 4 rows

Oacoma Poverty Rate by Education

rate

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Rate
Poverty
Female Employed14.81%
Male Employed
Male Unemployed
Female Unemployed
showing: 4 rows

Oacoma Poverty Rate by Employment Status and Sex

Oacoma Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Oacoma Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.9%

Overall Marriage Rate

49.2%

Male Marriage Rate

59.3%

Female Marriage Rate

Oacoma Married by Age and Sex

male

female

Oacoma Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Oacoma Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Oacoma Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

39

Number of Veterans

32

Male Veterans

7

Female Veterans

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Oacoma Veterans by War

count

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Oacoma Veterans by Age

count

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Oacoma Veterans by Race

Oacoma Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

30.77%

Veteran Disability Rate

Oacoma Veterans by Education

LaborForceParticipation

64.7%

Labor Force Participation

60.3%

Employment Rate

5.9%

Unemployment Rate

Oacoma Employment by Age

LaborForceParticipation

Oacoma Employment by Race

LaborForceParticipation

Oacoma Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

66.75%

Born in Oacoma

96.06%

Native Born

3.94%

Foreign Born

3.94%

Non Citizen

Naturalized

Place of Birth

96.06% of Oacoma residents were born in the United States, with 66.75% having been born in South Dakota. 3.94% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Oacoma Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029343-6-1.72%
2028349-6-1.69%
2027355-6-1.66%
2026361-6-1.63%
2025367-6-1.61%
2024373-6-1.58%
2023379-6-1.56%
2022385-6-1.53%
202139151.3%
2020386-85-18.05%
2019471
2018471-8-1.67%
2017479-3-0.62%
201648240.84%
201547851.06%
201447351.07%
201346861.3%
2012462-4-0.86%
201146671.53%
2010459
showing: 20 rows

Oacoma Population by Year