Erwin, South Dakota Population 2020

42

Erwin is a city located in South Dakota. With a 2020 population of 42, it is the 286th largest city in South Dakota and the 19187th largest city in the United States. Erwin is currently declining at a rate of -2.33% annually and its population has decreased by -6.67% since the most recent census, which recorded a population of 45 in 2010. Erwin reached it's highest population of 46 in 2012. Spanning over 0 miles, Erwin has a population density of 88 people per square mile.

The average household income in Erwin is $42,342 with a poverty rate of 31.71%. The median rental costs in recent years comes to - per month, and the median house value is $32,500. The median age in Erwin is 65.5 years, 68.5 years for males, and 64.5 years for females. For every 100 females there are 78.3 males.

Erwin Demographics

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

  • White: 100.00%
  • Black or African American: 0.00%
  • Native 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 Erwin, South Dakota is 42, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 44.The last official US Census in 2010 recorded the population at 45.

Erwin, South Dakota Population 2020

Population by Race

Erwin Population Pyramid 2020

Erwin Median Age

65.5


Total

68.5


Male

64.5


Female

Erwin Adults

There are 32 adults, (22 of whom are seniors) in Erwin.

Erwin Age Dependency

310

Age Dependency Ratio

220

Old Age Dependency Ratio

90

Child Dependency Ratio

Erwin Sex Ratio

Female

23

56.10%

Male

18

43.90%

Erwin Households and Families

Erwin Renter vs Owner Occupied by Household Type

Erwin Household Types

Type Owner Renter
Male100%0%
Married100%0%
All89.5%10.5%
Non Family80%20%
Female0%100%

89.5%

Rate of Home Ownership

Type Count Average Size Owned
All192.1689.5
Married122.08100
Non Family5080
Female170
Male14100

2.57

Average Family Size

2.16

Average Household Size

0%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Erwin Education

Education Attained Count Percentage
Less Than 9th Grade13.13%
9th to 12th Grade13.13%
High School Graduate1753.13%
Some College618.75%
Associates Degree13.13%
Bachelors Degree618.75%
Graduate Degree0.00%

Erwin Educational Attainment by Race

The highest rate of high school graduation is among white people with a rate of 93.75%.

The highest rate of bachelors degrees is among white people with a rate of 18.75%.

Name Average Male Female
Overall$26,250$26,875$
Less Than High School$$$
High School Grad$$$
Some College$28,750$$
Bachelors Degree$$$
Graduate Degree$$$

$26,250

Average Earnings

$26,875

Average Male

$

Average Female

Erwin Language

Erwin Language by Age

Erwin Language

100.00% of Erwin 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.

Erwin Poverty

Erwin Poverty by Race

31.71%

Overall Poverty Rate

22.22%

Male Poverty Rate

39.13%

Female Poverty Rate

Poverty in Erwin

The race most likely to be in poverty in Erwin is White, with 31.71% below the poverty level.

The race least likely to be in poverty in Erwin is White, with 31.71% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 12.50%. Among those working part-time, it was 55.56%, and for those that did not work, the poverty rate was 5.56%.

Name Poverty
Some College28.57%
Bachelors or Greater16.67%
High School5.88%
Less Than High School0.00%
Name Poverty
Female Unemployed0.00%
Male Unemployed100.00%
Female Employed50.00%
Male Employed0.00%

Erwin Income

Erwin Income by Household Type

Name Median Mean
Households$36,250$42,342
Families$45,000$47,593
Married Families$58,333-
Non Families$36,250$27,620

Erwin Marital Status

Erwin Marital Status

Marriage Rates

74.3%

Overall Marriage Rate

81.3%

Male Marriage Rate

68.4%

Female Marriage Rate

Erwin Married by Age and Sex

Erwin 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 55-64.

Erwin Marital Status by Race

Erwin Veterans

6

Number of Veterans

6

Male Veterans

Female Veterans

War Veterans
Vietnam6
World War II
Korea
First Gulf War
Second Gulf War
Age Group Veterans
65 to 745
55 to 641
75+
35 to 54
18 to 34

$Erwin Veterans by Education

16.67%

Veteran Poverty Rate

50.00%

Veteran Disability Rate

Erwin Employment Status

45.7%

Labor Force Participation

42.9%

Employment Rate

6.3%

Unemployment Rate

Erwin 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

70.73%

Born in South Dakota

100.00%

Native Born

0.00%

Foreign Born

0.00%

Non Citizen

Place of Birth

100.00% of Erwin residents were born in the United States, with 70.73% 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
202042-1-2.33%
201943-1-2.27%
20184412.33%
201743-1-2.27%
2016440.00%
2015440.00%
2014440.00%
201344-2-4.35%
20124612.22%
2011450.00%
2010450.00%