Groton

Population: 1,794
Median household income: $82,083
Median home value: $173,000

Groton, a community in Brown County, South Dakota, has 1,794 residents. At $82,083, its median household income sits above Brown County's $70,239.

From 2019 to 2023, Groton's population grew 7.2% from 1,673 to 1,794, while its median home value rose 10.6% from $156,400 to $173,000.

The typical home was built around 1973. 3.9% of residents live below the poverty line.

Demographics

ACS 2019–2023

Population: 1,794
Median age: 34.0 yrs
Median household income: $82,083
Median home value: $173,000
Median gross rent: $954
Housing units: 735
Homeownership rate: 76.3%
Bachelor's degree or higher: 31.2%
Unemployment rate: 0.7%

Trends

ACS 5-year · 2019–2023

Population

1,6731,794

Median household income

$62,679$82,083

Median home value

$156,400$173,000

Median gross rent

$804$954

Year	Population	Median household income	Median home value	Median gross rent
2019	1,673	$62,679	$156,400	$804
2020	1,842	$76,765	$136,700	$874
2021	1,641	$75,909	$139,900	$831
2022	1,688	$82,841	$156,100	$920
2023	1,794	$82,083	$173,000	$954

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 58.0%

5 to 1721.5%

18 to 243.3%

25 to 3419.0%

35 to 449.6%

45 to 549.7%

55 to 6411.9%

65 to 749.4%

75 and over7.6%

	Count	Share
Under 5	144	8.0%
5 to 17	385	21.5%
18 to 24	60	3.3%
25 to 34	341	19.0%
35 to 44	173	9.6%
45 to 54	174	9.7%
55 to 64	213	11.9%
65 to 74	168	9.4%
75 and over	136	7.6%

Race & ethnicity

	Count	Share
White (non-Hispanic)	1,625	90.6%
Black or African American	0	0.0%
American Indian & Alaska Native	0	0.0%
Asian	43	2.4%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	22	1.2%
Hispanic or Latino (any race)	104	5.8%

Educational attainment (age 25+)

No high school diploma3.6%

High school graduate32.0%

Some college or associate's33.2%

Bachelor's degree21.3%

Graduate or professional degree9.9%

	Count	Share
No high school diploma	43	3.6%
High school graduate	386	32.0%
Some college or associate's	400	33.2%
Bachelor's degree	257	21.3%
Graduate or professional degree	119	9.9%

Commute to work

Mean travel time to work: 19 min

Drove alone93.6%

Carpooled2.3%

Public transit0.0%

Walked2.4%

Bicycle0.0%

Worked from home1.7%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	862	93.6%
Carpooled	21	2.3%
Public transit	0	0.0%
Walked	22	2.4%
Bicycle	0	0.0%
Worked from home	16	1.7%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	344	38.0%
15 to 29 min	429	47.4%
30 to 44 min	87	9.6%
45 to 59 min	30	3.3%
60+ min	15	1.7%

Households

Average household size: 2.56
Poverty rate: 3.9% (68 of 1,754)

	Count	Share
Family households	450	65.8%
Nonfamily households	234	34.2%

Housing

Median year structure built: 1973

Occupancy

	Count	Share
Occupied	684	93.1%
Vacant	51	6.9%

Tenure (of occupied units)

	Count	Share
Owner-occupied	522	76.3%
Renter-occupied	162	23.7%

1-unit, detached70.7%

1-unit, attached1.5%

2 to 4 units10.3%

5 to 19 units9.1%

20 or more units1.0%

Mobile home & other7.3%

Units in structure

	Count	Share
1-unit, detached	520	70.7%
1-unit, attached	11	1.5%
2 to 4 units	76	10.3%
5 to 19 units	67	9.1%
20 or more units	7	1.0%
Mobile home & other	54	7.3%

Geography

Place GEOID: 4626340
Type (LSAD): 25
Land area: 1.75 sq mi
Water area: 0 sq mi
Center point: 45.4517, -98.1001