Onida, South Dakota Population 2024

625

Onida is a city located in Sully County South Dakota. Onida has a 2024 population of 625. It is also the county seat of Sully County.Onida is currently declining at a rate of -2.19% annually and its population has decreased by -6.02% since the most recent census, which recorded a population of 665 in 2020.

The average household income in Onida is $91,198 with a poverty rate of 6.55%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Onida is 52.3 years, 54.2 years for males, and 47.4 years for females.

Onida Demographics

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

  • White: 96.42%
  • Two or more races: 3.58%
  • Black or African American:
  • Native American:
  • Asian:
  • Native Hawaiian or Pacific Islander:
  • Other race:
Land Area (mi²)
0.7 sq mi
Density (mi²)
929.80/sq mi
Growth Since 2020
-6.02% (-40)
The current population of Onida, South Dakota is 625 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 665.

Onida, South Dakota Population 2024

Population by Race

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Race
Population
Percentage (of total)
White56596.42%
Two or more races213.58%
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
showing: 7 rows

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Onida Population by Race

Onida Population Pyramid 2024

Onida Median Age

52.3

Total

54.2

Male

47.4

Female

Onida Adults

There are 443 adults, (115 of whom are seniors) in Onida.

Onida Age Dependency

78.7

Age Dependency Ratio

35.1

Old Age Dependency Ratio

43.6

Child Dependency Ratio

Onida Sex Ratio

Female29049.49%
Male29650.51%

Onida Population by Age

Onida Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2602.2588.811.2
Married1382.9393.56.5
Non Family1111.0684.715.3
Female84.751000
Male38.670100
showing: 5 rows

2.95

Average Family Size

2.25

Average Household Size

88.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Onida 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

Onida Educational Attainment by Sex (over 25)

Onida Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among 2+ races people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 25.3%.

Onida Educational Attainment by Race

All

Male

Female

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$45,284

Average Earnings

$51,641

Average Male

$38,125

Average Female

Onida Earnings by Educational Attainment

Onida Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Onida Language

98.89% of Onida residents speak only English, while 1.11% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.11% of the population.

Onida Language

Onida Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White559386.8%
showing: 1 rows

6.55%

Overall Poverty Rate

5.74%

Male Poverty Rate

7.39%

Female Poverty Rate

Poverty in Onida

The race most likely to be in poverty in Onida is White, with 6.8% below the poverty level.

The race least likely to be in poverty in Onida is White, with 6.8% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.8%. Among those working part-time, it was 1.19%, and for those that did not work, the poverty rate was 7.77%.

Onida Poverty

rate

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Rate
Poverty
High School12.69%
Some College4.94%
Less Than 9th Grade
Bachelors or Greater
showing: 4 rows

Onida Poverty Rate by Education

rate

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Rate
Poverty
Male Employed5.18%
Male Unemployed
Female Employed5.22%
Female Unemployed
showing: 4 rows

Onida Poverty Rate by Employment Status and Sex

Onida Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Onida Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

60.1%

Overall Marriage Rate

60.7%

Male Marriage Rate

59.4%

Female Marriage Rate

Onida Married by Age and Sex

male

female

Onida 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 45-54.

Onida Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Onida Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

21

Number of Veterans

16

Male Veterans

5

Female Veterans

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Onida Veterans by War

count

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Onida Veterans by Age

count

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Onida Veterans by Race

Onida Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

14.29%

Veteran Disability Rate

Onida Veterans by Education

LaborForceParticipation

70.6%

Labor Force Participation

70.6%

Employment Rate

0%

Unemployment Rate

Onida Employment by Age

LaborForceParticipation

Onida Employment by Race

LaborForceParticipation

Onida 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

77.99%

Born in Onida

99.66%

Native Born

0.34%

Foreign Born

0.34%

Non Citizen

Naturalized

Place of Birth

99.66% of Onida residents were born in the United States, with 77.99% having been born in South Dakota. 0.34% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Africa.

Onida Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029555-14-2.46%
2028569-14-2.4%
2027583-14-2.35%
2026597-14-2.29%
2025611-14-2.24%
2024625-14-2.19%
2023639-14-2.14%
2022653-14-2.1%
202166720.3%
2020665416.57%
2019624-7-1.11%
2018631-13-2.02%
2017644-9-1.38%
201665320.31%
2015651-9-1.36%
2014660-19-2.8%
2013679-3-0.44%
2012682233.49%
2011659-4-0.6%
2010663
showing: 20 rows

Onida Population by Year