Oacoma, South Dakota Population 2020

464

Oacoma is a city located in South Dakota. With a 2020 population of 464, it is the 123rd largest city in South Dakota and the 13660th largest city in the United States. Oacoma is currently declining at a rate of -0.64% annually but its population has increased by 2.88% since the most recent census, which recorded a population of 451 in 2010. Oacoma reached it's highest population of 478 in 2016. Spanning over 4 miles, Oacoma has a population density of 179 people per square mile.

The average household income in Oacoma is $62,342 with a poverty rate of 12.92%. The median rental costs in recent years comes to $650 per month, and the median house value is $131,300. The median age in Oacoma is 46.6 years, 53.3 years for males, and 38.9 years for females. For every 100 females there are 92.6 males.

Oacoma Demographics

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

  • White: 92.58%
  • Native American: 7.42%
  • Black or African American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
  • Two or more races: 0.00%
The current population of Oacoma, South Dakota is 464, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 470.The last official US Census in 2010 recorded the population at 451.

Oacoma, South Dakota Population 2020

Population by Race

Race Population Percentage
White38792.58%
American Indian and Alaska Native317.42%

Oacoma Population Pyramid 2020

Oacoma Median Age

46.6


Total

53.3


Male

38.9


Female

Oacoma Adults

There are 323 adults, (74 of whom are seniors) in Oacoma.

Oacoma Age Dependency

67.9

Age Dependency Ratio

29.7

Old Age Dependency Ratio

38.2

Child Dependency Ratio

Oacoma Sex Ratio

Female

217

51.91%

Male

201

48.09%

Oacoma Households and Families

Oacoma Renter vs Owner Occupied by Household Type

Oacoma Household Types

Type Owner Renter
Married93.5%6.5%
All73.8%26.2%
Female57.1%42.9%
Non Family56.5%43.5%
Male50%50%

73.8%

Rate of Home Ownership

Type Count Average Size Owned
All1912.1973.8
Married922.7493.5
Non Family691.2256.5
Male162.8850
Female142.5757.1

2.64

Average Family Size

2.19

Average Household Size

8.4%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Oacoma Education

Education Attained Count Percentage
Less Than 9th Grade62.01%
9th to 12th Grade237.72%
High School Graduate14749.33%
Some College4214.09%
Associates Degree186.04%
Bachelors Degree4013.42%
Graduate Degree227.38%

Oacoma Educational Attainment by Race

Name Total High School Bachelors
White26724662
Native American3123

The highest rate of high school graduation is among white people with a rate of 92.13%.

The highest rate of bachelors degrees is among white people with a rate of 23.22%.

Name Average Male Female
Overall$32,656$31,250$35,795
Less Than High School$$$
High School Grad$32,045$38,125$27,250
Some College$31,875$34,583$21,875
Bachelors Degree$35,156$26,875$37,344
Graduate Degree$39,583$$53,125

$32,656

Average Earnings

$31,250

Average Male

$35,795

Average Female

Oacoma Language

Oacoma Language by Age

Oacoma Language

93.56% of Oacoma residents speak only English, while 6.44% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 6.44% of the population.

Oacoma Poverty

Oacoma Poverty by Race

Name Total In Poverty Poverty Rate
White3875213.44%
Native3126.45%

12.92%

Overall Poverty Rate

11.44%

Male Poverty Rate

14.29%

Female Poverty Rate

Poverty in Oacoma

The race most likely to be in poverty in Oacoma is White, with 13.44% below the poverty level.

The race least likely to be in poverty in Oacoma is Native, with 6.45% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.89%. Among those working part-time, it was 11.43%, and for those that did not work, the poverty rate was 16.87%.

Name Poverty
Bachelors or Greater17.74%
High School9.52%
Some College3.33%
Less Than High School0.00%
Name Poverty
Male Employed10.08%
Female Employed1.90%
Female Unemployed0.00%
Male Unemployed0.00%

Oacoma Income

Oacoma Income by Household Type

Name Median Mean
Households$52,596$62,342
Families$67,917$70,190
Married Families$73,750-
Non Families$46,875$45,246

Oacoma Marital Status

Oacoma Marital Status

Marriage Rates

53.6%

Overall Marriage Rate

51.7%

Male Marriage Rate

55.6%

Female Marriage Rate

Oacoma Married by Age and Sex

Oacoma Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is Over 65.

Oacoma Marital Status by Race

Oacoma Veterans

30

Number of Veterans

27

Male Veterans

3

Female Veterans

War Veterans
Vietnam15
Second Gulf War6
World War II3
Korea3
First Gulf War3

$Oacoma Veterans by Education

0.00%

Veteran Poverty Rate

36.67%

Veteran Disability Rate

Oacoma Employment Status

73.9%

Labor Force Participation

70.3%

Employment Rate

4.9%

Unemployment Rate

Oacoma Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

70.33%

Born in South Dakota

100.00%

Native Born

0.00%

Foreign Born

0.00%

Non Citizen

Place of Birth

100.00% of Oacoma residents were born in the United States, with 70.33% having been born in South Dakota. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Year Population Growth Annual Growth Rate
2020464-3-0.64%
2019467-3-0.64%
2018470-5-1.05%
2017475-3-0.63%
201647840.84%
201547430.64%
201447151.07%
201346661.30%
2012460-3-0.65%
201146361.31%
20104570.00%