Groton is a city located in Brown County South Dakota. With a 2023 population of 1,356, it is the 52nd largest city in South Dakota and the 13137th largest city in the United States.Groton is currently declining at a rate of -0.59% annually and its population has decreased by -1.74% since the most recent census, which recorded a population of 1,380 in 2020. Spanning over 2 miles, Groton has a population density of 774 people per square mile.
The average household income in Groton is $87,423 with a poverty rate of 8.65%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Groton is 33.6 years, 33.8 years for males, and 32.8 years for females.
According to the most recent ACS, the racial composition of Groton was:
White
Two or more races
Native American
Black or African American
Asian
Native Hawaiian or Pacific Islander
Other race
3.51
Average Family Size
2.72
Average Household Size
77.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among native american people with a rate of 100%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 22.22%.
All
Male
Female
$46,175
Average Earnings
$50,855
Average Male
$40,379
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
98.91% of Groton residents speak only English, while 1.09% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.63% of the population.
rate
8.65%
Overall Poverty Rate
4.72%
Male Poverty Rate
8.16%
Female Poverty Rate
The race most likely to be in poverty in Groton is Multiple, with 25% below the poverty level.
The race least likely to be in poverty in Groton is White, with 8.14% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.54%. Among those working part-time, it was 9.48%, and for those that did not work, the poverty rate was 17.01%.
rate
rate
Households
Families
MarriedFamilies
NonFamilies
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
55.0%
Overall Marriage Rate
59.4%
Male Marriage Rate
51.3%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
73
Number of Veterans
62
Male Veterans
11
Female Veterans
count
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
16.44%
Veteran Disability Rate
LaborForceParticipation
70.6%
Labor Force Participation
70.1%
Employment Rate
0.8%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
103.04%
Born in Groton
132.9%
Native Born
0.58%
Foreign Born
0.58%
Non Citizen
0%
Naturalized
132.9% of Groton residents were born in the United States, with 103.04% having been born in South Dakota. 0.58% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.