Groton, South Dakota Population 2022

1,424
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Groton is a city located in Brown County South Dakota. Groton has a 2020 population of 1,424. Groton is currently declining at a rate of -1.18% annually and its population has decreased by -2.47% since the most recent census, which recorded a population of 1,460 in 2010.

The average household income in Groton is $87,423 with a poverty rate of 8.43%. The median rental costs in recent years comes to $804 per month, and the median house value is $156,400. The median age in Groton is 38.5 years, 37 years for males, and 42.8 years for females.

Groton Demographics

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

  • White: 98.27%
  • Two or more races: 1.32%
  • Native American: 0.42%
  • Black or African American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Groton, South Dakota is 1,424 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 1,424.The last official US Census in 2010 recorded the population at 1,460.

Groton, South Dakota Population 2022

Population by Race

Race Population Percentage
White1,64498.27%
Two or More Races221.32%
American Indian and Alaska Native70.42%
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Groton Population by Race

Groton Population Pyramid $2022

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Groton Median Age

38.5


Total

37


Male

42.8


Female

Groton Adults

There are 1,186 adults, (314 of whom are seniors) in Groton.

Groton Age Dependency

Age Dependency Ratio

36

Old Age Dependency Ratio

55.8

Child Dependency Ratio

Groton Sex Ratio

Female

897

53.62%

Male

776

46.38%

Groton Population by Age

Groton Renter vs Owner Occupied by Household Type

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Groton Household Types

Type Owner Renter
Female26.5%73.5%
Non Family58.3%41.7%
All74.6%25.4%
Male85.7%14.3%
Married93.1%6.9%

74.6%

Rate of Home Ownership

Groton Households and Families

Type Count Average Size Owned
All6382.5574.6
Married3053.5293.1
Non Family2351.1858.3
Female492.9626.5
Male492.6185.7

3.29

Average Family Size

2.55

Average Household Size

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Groton Households by Type

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Education Attained Count Percentage
Less Than 9th Grade0.00%
9th to 12th Grade383.48%
High School Graduate42038.43%
Some College21319.49%
Associates Degree18717.11%
Bachelors Degree18316.74%
Graduate Degree524.76%
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Groton Educational Attainment by Sex (over 25)

Groton Educational Attainment by Race

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Race Total High School Bachelors
White1,0651,027231
Hispanic21214
Native American77
2+ Races33

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

The highest rate of bachelors degrees is among white people with a rate of 21.69%.

Groton Educational Attainment by Race

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Name Average Male Female
Overall$42,008$51,941$30,927
Less Than 9th Grade$2,500$$
High School Graduate$40,203$49,464$21,339
Some College$38,958$48,750$30,403
Bachelors Degree$55,469$69,167$43,750
Graduate Degree$120,417$127,917$

$42,008

Average Earnings

$51,941

Average Male

$30,927

Average Female

Groton Earnings by Educational Attainment

Groton Language by Age

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Groton Language

99.12% of Groton residents speak only English, while 0.88% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.69% of the population.

Groton Language

Groton Poverty by Race

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Name Total In Poverty Poverty Rate
White1,4951318.76%
Hispanic10565.71%
Multiple22313.64%
OtherNaN%

8.43%

Overall Poverty Rate

5.48%

Male Poverty Rate

11.06%

Female Poverty Rate

Poverty in Groton

The race most likely to be in poverty in Groton is White, with 8.76% below the poverty level.

The race least likely to be in poverty in Groton is Hispanic, with 5.71% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.43%. Among those working part-time, it was 12.28%, and for those that did not work, the poverty rate was 15.53%.

Groton Poverty

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Name Poverty
Less Than 9th Grade34.21%
High School16.97%
Some College3.25%
Bachelors or Greater0.00%

Groton Poverty Rate by Education

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Rate Poverty
Female Unemployed50.00%
Male Unemployed50.00%
Female Employed8.82%
Male Employed0.68%

Groton Poverty Rate by Employment Status and Sex

Groton Income by Household Type

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Name Median Mean
Households$62,679$87,423
Families$81,932$107,217
Married Families$101,125-
Non Families$37,917$50,007
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Income by Household Type

Groton Marital Status

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Marriage Rates

49.7%

Overall Marriage Rate

53.2%

Male Marriage Rate

47.0%

Female Marriage Rate

Groton Married by Age and Sex

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Groton 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 35-44.

Groton Marital Status by Race

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Groton Marital Status

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65

Number of Veterans

Male Veterans

Female Veterans

War Veterans
First Gulf War23
Vietnam14
Korea5
World War II3
Second Gulf War2

Groton Veterans by War

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Age Group Veterans
35 to 5425
75+16
55 to 6413
65 to 7411
18 to 34

Groton Veterans by Age

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Groton Veterans by Race

Groton Veterans by Education

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0.00%

Veteran Poverty Rate

16.92%

Veteran Disability Rate

Groton Veterans by Education

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67%

Labor Force Participation

65.9%

Employment Rate

1.6%

Unemployment Rate

Groton Employment by Age

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Groton Employment by Race

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Groton 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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74.96%

Born in Groton

99.82%

Native Born

0.18%

Foreign Born

0.00%

Non Citizen

0.18%

Naturalized

Place of Birth

99.82% of Groton residents were born in the United States, with 74.96% 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 Latin America.

Groton Place of Birth

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
20221,424-17-1.18%
20211,441-17-1.17%
20201,458-17-1.15%
20191,475-17-1.14%
20181,492-18-1.19%
20171,510140.94%
20161,49650.34%
20151,49120.13%
20141,489-9-0.60%
20131,49870.47%
20121,491191.29%
20111,472120.82%
20101,4600.00%

Groton Population by Year