Sinai, South Dakota Population 2024

102

Sinai is a city located in Brookings County South Dakota. Sinai has a 2024 population of 102. Sinai is currently growing at a rate of 0.99% annually and its population has increased by 6.25% since the most recent census, which recorded a population of 96 in 2020.

The average household income in Sinai is $60,245 with a poverty rate of 4.6%. The median age in Sinai is 24.7 years: 24.9 years for males, and 15.6 years for females.

Sinai Demographics

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

  • White: 97.7%
  • Other race: 2.3%
  • Black or African American: 0%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Two or more races: 0%
Land Area (mi²)
0.4 sq mi
Density (mi²)
277.40/sq mi
Growth Since 2020
6.25% (6)
The current population of Sinai, South Dakota is 102 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 96.

Population by Race

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Race
Population
Percentage (of total)
White17097.7%
Other race42.3%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Two or more races00%

White

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Two or more races

Sinai Population by Race

Sinai Population Pyramid 2024

Sinai Median Age

24.7

Total

24.9

Male

15.6

Female

Sinai Adults

There are 101 adults, (16 of whom are seniors) in Sinai.

Sinai Age Dependency

104.7

Age Dependency Ratio

18.8

Old Age Dependency Ratio

85.9

Child Dependency Ratio

Sinai Sex Ratio

Female9051.72%
Male8448.28%

Sinai Population by Age

Sinai Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All672.682.117.9
Non Family381.0378.921.1
Married225.451000
Female62.1733.366.7
Male121000

4.62

Average Family Size

2.6

Average Household Size

82.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Sinai Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade22.47%
Associates Degree11.23%
Bachelors Degree2733.33%
Graduate Degree11.23%
High School Graduate3037.04%
Less Than 9th Grade44.94%
Some College1619.75%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Sinai Educational Attainment by Sex (over 25)

Sinai Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White767428
Hispanic510
Other Race200

The highest rate of high school graduation is among white people with a rate of 97.37%.

The highest rate of bachelors degrees is among white people with a rate of 36.84%.

Sinai Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$44,583$0$44,583
Graduate Degree$0$0$0
High School Graduate$34,583$0$0
Less Than 9th Grade$0$0$0
Overall$41,071$36,250$42,500
Some College$38,438$32,143$0

$41,071

Average Earnings

$36,250

Average Male

$42,500

Average Female

Sinai Earnings by Educational Attainment

Sinai Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sinai Language

90.91% of Sinai residents speak only English, while 9.09% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.09% of the population.

Sinai Language

Sinai Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Hispanic8675%
Other44100%
White16621.2%

4.6%

Overall Poverty Rate

5.95%

Male Poverty Rate

3.33%

Female Poverty Rate

Poverty in Sinai

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

The race least likely to be in poverty in Sinai is White, with 1.2% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.39%. Among those working part-time, it was 8.33%, and for those that did not work, the poverty rate was 10.53%.

Sinai Poverty

rate

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Rate
Poverty
Less Than 9th Grade33.33%
High School10%
Some College0%
Bachelors or Greater0%

Sinai Poverty Rate by Education

rate

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Rate
Poverty
Male Employed6%
Male Unemployed0%
Female Employed3.03%
Female Unemployed0%

Sinai Poverty Rate by Employment Status and Sex

Sinai Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$92,917$76,548
Households-$60,245
Married Families$95,000$-999,999,999
Non Families$38,571$45,976

mean

median

Income by Household Type

Sinai Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

45.4%

Overall Marriage Rate

40.0%

Male Marriage Rate

52.1%

Female Marriage Rate

Sinai Married by Age and Sex

male

female

Sinai Marriage

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

Sinai Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Sinai Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

10

Number of Veterans

10

Male Veterans

0

Female Veterans

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War
Veterans
World War II7
Korea6
Vietnam2
Second Gulf War0
First Gulf War0

Sinai Veterans by War

count

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Age Group
Veterans
75+7
65 to 742
55 to 641
18 to 340
35 to 540

Sinai Veterans by Age

count

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Name
Veterans
% of Total
White1010.1%

Sinai Veterans by Race

Sinai Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

90%

Veteran Disability Rate

Sinai Veterans by Education

LaborForceParticipation

81.4%

Labor Force Participation

81.4%

Employment Rate

0%

Unemployment Rate

Sinai Employment by Age

LaborForceParticipation

Sinai Employment by Race

LaborForceParticipation

Sinai 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

65.52%

Born in Sinai

98.85%

Native Born

1.15%

Foreign Born

1.15%

Non Citizen

0%

Naturalized

Place of Birth

98.85% of Sinai residents were born in the United States, with 65.52% having been born in South Dakota. 1.15% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Sinai Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202911121.83%
202810921.87%
202710710.94%
202610621.92%
202510421.96%
202410210.99%
202310122.02%
20229922.06%
20219711.04%
202096-30-23.81%
2019126-1-0.79%
201812721.6%
201712521.63%
201612300%
201512300%
201412321.65%
2013121-2-1.63%
201212343.36%
201111900%
201011900%

Sinai Population by Year