Sinai, South Dakota Population 2022

118
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Sinai is a city located in Brookings County South Dakota. Sinai has a 2020 population of 118. Sinai is currently declining at a rate of -1.67% annually and its population has decreased by -0.84% since the most recent census, which recorded a population of 119 in 2010.

The average household income in Sinai is $50,430 with a poverty rate of 11.36%. The median rental costs in recent years comes to $1,031 per month, and the median house value is $60,000. The median age in Sinai is 29 years, 28.9 years for males, and 32 years for females.

Sinai Demographics

According to the most recent ACS, the racial composition of Sinaiwas:

  • White: 95.45%
  • Other race: 4.55%
  • Black or African American: 0.00%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Two or more races: 0.00%
The current population of Sinai, South Dakota is 118 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 118.The last official US Census in 2010 recorded the population at 119.

Sinai, South Dakota Population 2022

Population by Race

Race Population Percentage
White8495.45%
Some Other Race44.55%
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Sinai Population by Race

Sinai Population Pyramid $2022

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Sinai Median Age

29


Total

28.9


Male

32


Female

Sinai Adults

There are 66 adults, (17 of whom are seniors) in Sinai.

Sinai Age Dependency

Age Dependency Ratio

34.7

Old Age Dependency Ratio

44.9

Child Dependency Ratio

Sinai Sex Ratio

Female

46

52.27%

Male

42

47.73%

Sinai Population by Age

Sinai Renter vs Owner Occupied by Household Type

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Sinai Household Types

Type Owner Renter
Female33.3%66.7%
All85.1%14.9%
Married90%10%
Non Family93.1%6.9%
Male100%0%

85.1%

Rate of Home Ownership

Sinai Households and Families

Type Count Average Size Owned
All471.8785.1
Non Family291.1793.1
Married103.790
Female62.3333.3
Male21.5100

2.94

Average Family Size

1.87

Average Household Size

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Sinai Households by Type

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Education Attained Count Percentage
Less Than 9th Grade0.00%
9th to 12th Grade23.28%
High School Graduate1219.67%
Some College1931.15%
Associates Degree813.11%
Bachelors Degree1829.51%
Graduate Degree23.28%
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Sinai Educational Attainment by Sex (over 25)

Sinai Educational Attainment by Race

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Race Total High School Bachelors
White585820
Hispanic31
Other Race2

The highest rate of high school graduation is among white people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 34.48%.

Sinai Educational Attainment by Race

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Name Average Male Female
Overall$39,375$53,750$26,750
Less Than 9th Grade$$$
High School Graduate$43,750$43,750$
Some College$26,750$$26,750
Bachelors Degree$$$
Graduate Degree$$$

$39,375

Average Earnings

$53,750

Average Male

$26,750

Average Female

Sinai Earnings by Educational Attainment

Sinai Language by Age

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Sinai Language

92.21% of Sinai residents speak only English, while 7.79% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.79% of the population.

Sinai Language

Sinai Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic66100.00%
Other4NaN%
White8244.88%

11.36%

Overall Poverty Rate

11.90%

Male Poverty Rate

10.87%

Female Poverty Rate

Poverty in Sinai

The race most likely to be in poverty in Sinai is White, with 4.88% below the poverty level.

The race least likely to be in poverty in Sinai is Hispanic, with 100.00% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 36.36%, and for those that did not work, the poverty rate was 18.18%.

Sinai Poverty

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Name Poverty
Less Than 9th Grade100.00%
Some College14.81%
High School8.33%
Bachelors or Greater0.00%

Sinai Poverty Rate by Education

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Rate Poverty
Female Unemployed0.00%
Female Employed4.55%
Male Unemployed0.00%
Male Employed14.29%

Sinai Poverty Rate by Employment Status and Sex

Sinai Income by Household Type

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Name Median Mean
Households$37,188$50,430
Families$36,250$39,917
Married Families$30,000-
Non Families-$54,872
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Income by Household Type

Sinai Marital Status

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Marriage Rates

31.1%

Overall Marriage Rate

35.3%

Male Marriage Rate

27.5%

Female Marriage Rate

Sinai Married by Age and Sex

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Sinai 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 55-64.

Sinai Marital Status by Race

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Sinai Marital Status

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8

Number of Veterans

Male Veterans

Female Veterans

War Veterans
World War II6
Korea5
Vietnam2
First Gulf War
Second Gulf War

Sinai Veterans by War

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Age Group Veterans
75+6
65 to 742
55 to 64
35 to 54
18 to 34

Sinai Veterans by Age

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Sinai Veterans by Race

Sinai Veterans by Education

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0.00%

Veteran Poverty Rate

100.00%

Veteran Disability Rate

Sinai Veterans by Education

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63.2%

Labor Force Participation

63.2%

Employment Rate

0%

Unemployment Rate

Sinai Employment by Age

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Sinai Employment by Race

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Sinai Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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61.36%

Born in Sinai

97.73%

Native Born

2.27%

Foreign Born

2.27%

Non Citizen

0.00%

Naturalized

Place of Birth

97.73% of Sinai residents were born in the United States, with 61.36% having been born in South Dakota. 2.27% 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: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
2022118-2-1.67%
2021120-2-1.64%
2020122-2-1.61%
2019124-2-1.59%
201812621.61%
201712410.81%
20161230.00%
201512310.82%
201412210.83%
2013121-2-1.63%
201212343.36%
20111190.00%
20101190.00%

Sinai Population by Year