Castlewood, South Dakota Population 2020

656

Castlewood is a city located in South Dakota. With a 2020 population of 656, it is the 97th largest city in South Dakota and the 12169th largest city in the United States. Castlewood is currently growing at a rate of 1.39% annually and its population has increased by 4.63% since the most recent census, which recorded a population of 627 in 2010. Spanning over 1 miles, Castlewood has a population density of 570 people per square mile.

The average household income in Castlewood is $69,583 with a poverty rate of 5.14%. The median rental costs in recent years comes to $625 per month, and the median house value is $119,700. The median age in Castlewood is 29.2 years, 29.3 years for males, and 28.8 years for females. For every 100 females there are 97.3 males.

Castlewood Demographics

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

  • White: 99.24%
  • Asian: 0.45%
  • Two or more races: 0.30%
  • Black or African American: 0.00%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Castlewood, South Dakota is 656, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 638.The last official US Census in 2010 recorded the population at 627.

Castlewood, South Dakota Population 2020

Population by Race

Race Population Percentage
White65699.24%
Asian30.45%
Two or More Races20.30%

Castlewood Population Pyramid 2020

Castlewood Median Age

29.2


Total

29.3


Male

28.8


Female

Castlewood Adults

There are 455 adults, (80 of whom are seniors) in Castlewood.

Castlewood Age Dependency

76.3

Age Dependency Ratio

21.3

Old Age Dependency Ratio

54.9

Child Dependency Ratio

Castlewood Sex Ratio

Female

335

50.68%

Male

326

49.32%

Castlewood Households and Families

Castlewood Renter vs Owner Occupied by Household Type

Castlewood Household Types

Type Owner Renter
Male100%0%
Married85.8%14.2%
All78.2%21.8%
Non Family72.6%27.4%
Female30%70%

78.2%

Rate of Home Ownership

Type Count Average Size Owned
All2622.5278.2
Married1623.1385.8
Non Family731.0572.6
Female20330
Male72.43100

3.08

Average Family Size

2.52

Average Household Size

1.9%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Castlewood Education

Education Attained Count Percentage
Less Than 9th Grade10.26%
9th to 12th Grade133.36%
High School Graduate16442.38%
Some College7920.41%
Associates Degree6316.28%
Bachelors Degree5313.70%
Graduate Degree143.62%

Castlewood Educational Attainment by Race

Name Total High School Bachelors
White37636267
Hispanic88
Asian33

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

The highest rate of bachelors degrees is among white people with a rate of 17.82%.

Name Average Male Female
Overall$38,563$47,750$29,231
Less Than High School$37,500$$
High School Grad$36,964$47,500$29,464
Some College$38,438$51,719$24,500
Bachelors Degree$40,417$41,071$31,250
Graduate Degree$48,750$$51,875

$38,563

Average Earnings

$47,750

Average Male

$29,231

Average Female

Castlewood Language

Castlewood Language by Age

Castlewood Language

100.00% of Castlewood residents speak only English, while 0.00% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.00% of the population.

Castlewood Poverty

Castlewood Poverty by Race

5.14%

Overall Poverty Rate

3.37%

Male Poverty Rate

6.87%

Female Poverty Rate

Poverty in Castlewood

The race most likely to be in poverty in Castlewood is White, with 5.25% below the poverty level.

The race least likely to be in poverty in Castlewood is White, with 5.25% 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 13.79%, and for those that did not work, the poverty rate was 7.87%.

Name Poverty
Some College4.93%
High School4.27%
Bachelors or Greater0.00%
Less Than High School0.00%
Name Poverty
Female Unemployed0.00%
Female Employed4.55%
Male Unemployed0.00%
Male Employed0.00%

Castlewood Income

Castlewood Income by Household Type

Name Median Mean
Households$63,250$69,583
Families$70,547$79,910
Married Families$73,333-
Non Families$41,083$42,633

Castlewood Marital Status

Castlewood Marital Status

Marriage Rates

68.0%

Overall Marriage Rate

68.1%

Male Marriage Rate

68.0%

Female Marriage Rate

Castlewood Married by Age and Sex

Castlewood 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.

Castlewood Marital Status by Race

Castlewood Veterans

37

Number of Veterans

35

Male Veterans

2

Female Veterans

War Veterans
Second Gulf War22
First Gulf War7
Vietnam6
Korea2
World War II

$Castlewood Veterans by Education

0.00%

Veteran Poverty Rate

27.03%

Veteran Disability Rate

Castlewood Employment Status

75.4%

Labor Force Participation

72.9%

Employment Rate

3.3%

Unemployment Rate

Castlewood 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

81.24%

Born in South Dakota

98.79%

Native Born

1.21%

Foreign Born

0.30%

Non Citizen

Place of Birth

98.79% of Castlewood residents were born in the United States, with 81.24% having been born in South Dakota. 0.30% 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
202065691.39%
201964791.41%
201863840.63%
201763491.44%
2016625-7-1.11%
2015632101.61%
201462230.48%
2013619-10-1.59%
20126290.00%
201162910.16%
20106280.00%