Groton

Additional Resources

More details about our community can be found in the Groton Town Profile. Another available resource is the Town's Interactive GIS Mapping.

Population

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Population

Population 2000 2010 2025 2030
Groton 39,504 39,673 37,312 37,701

Source: ESRI, 2025-08-25

Population by Age

Population 2025
0-4 2,029
5-9 1,962
10-14 1,837
15-19 1,704
20-24 2,752
25-29 3,297
30-34 3,252
35-39 2,925
40-44 2,224
45-49 1,712
50-54 1,719
55-59 2,068
60-64 2,190
65-69 2,299
70-74 1,969
75-79 1,364
80-84 969
85+ 1,042
18+ 30,492
Median Age 38

Source: ESRI, 2025-08-25

Population by Race

Groton 2025
Total 37,312.00
White Alone 70.78%
Black Alone 6.7%
American Indian Alone 0.84%
Asian Alone 5.8%
Pacific Islander Alone 0.22%
Some Other Race 4.9%
Two or More Races 10.76%
Hispanic Origin 12.89%
Diversity Index 59.50

Source: ESRI, 2025-08-25

Growth Rate

Groton 2025 - 2030
Population 0.21%
Households 0.47%
Families 0.45%
Median Household Income 1%
Per Capita Income 2%

Source: ESRI, 2025-08-25

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Housing

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Households

Population 2000 2010 2025 2030
Households 15,368 15,718 16,281 16,669
Housing Units 16,715 17,873 18,341 18,728
Owner Occupied Units 8,412 8,594
Renter Occupied Units 7,869 8,075
Vacant Units 2,060 2,059

Source: ESRI, 2025-08-25

Home Value

Groton 2025 2030
Median Home Value $361,202 $399,873
Average Home Value $451,160 $492,498
<$50,000 518 692
$50,000 - $99,999 121 57
$100,000 - $149,999 174 58
$150,000 - $199,999 410 183
$200,000 - $249,999 718 490
$250,000 - $299,999 1,058 847
$300,000 - $399,999 1,964 1,966
$400,000 - $499,999 787 914
$500,000 - $749,999 1,735 2,294
$1,000,000 + 132 136

Source: ESRI, 2025-08-25

Housing Year Built

Year Range Houses Built
2010 or Later 507
2000-2009 1,741
1990-1999 2,005
1980-1989 2,453
1970-1979 3,189
1960-1969 2,479
1950-1959 2,149
1940-1949 812
1939 or Before 2,754

Source: ESRI, 2025-08-25

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Income

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Income

Groton 2025 2030
Median Household $85,192 $89,897
Average Household $112,628 $120,202
Per Capita $49,754 $53,749

Source: ESRI, 2025-08-25

Household Income

Groton 2025
<$15,000 1,330
$15,000 - $24,999 679
$25,000 - $34,999 981
$35,000 - $49,999 1,450
$50,000 - $74,999 2,129
$75,000 - $99,999 3,193
$100,000 - $149,999 2,491
$150,000 - $199,999 1,891
$200,000+ 2,136

Source: ESRI, 2025-08-25

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Employees

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Commute

Category Commuters
Workers 16+ 19,231
In-County Residents 16,628
Out-of-County Residents 1,418
Drive Alone 13,869
Carpooled 1,085
Public Transport 163
Work at Home 2,411
Motorcycle 89
Bicycle 115
Walked 1,344
Other 117
Less than 5 minutes 519
5-9 minutes 3,008
10-14 minutes 3,743
15-19 minutes 3,724
20-24 minutes 1,768
25-29 minutes 607
30-34 minutes 1,438
35-39 minutes 137
40-44 minutes 253
45-59 minutes 692
60-89 minutes 676
90+ minutes 256
Average Travel Time 0

Source: ESRI, 2025-08-25

Source: ESRI, 2025-08-25

Employees by NAICS

Category Number
Total Employees 23,288
Agr/Forestry/Fish/Hunt 13
Mining 49
Utilities 55
Construction 326
Manufacturing 10,480
Wholesale Trade 154
   
Retail Trade 1,836
Motor Veh/Parts Dealers 348
Furn & Home Furnish Str 21
Electronics & Appl Store 24
Bldg Matl/Garden Equip 44
Food & Beverage Stores 603
Health/Pers Care Stores 145
Gasoline Stations 43
Clothing/Accessory Store 101
Sports/Hobby/Book/Music 112
General Merchandise Str 396
   
Transportation/Warehouse 243
Information 237
   
Finance & Insurance 273
Cntrl Bank/Crdt Intrmdtn 183
Sec/Cmdty Cntrct/Oth Inv 64
Insur/Funds/Trusts/Other 26
   
Real Estate/Rent/Leasing 433
Prof/Scientific/Tech Srv 1,024
Legal Services 127
Mgmt of Comp/Enterprises 8
Admin/Support/Waste Mgmt 136
Educational Services 1,207
HealthCare/Social Assist 1,906
Arts/Entertainment/Rec 347
   
Accommodation/Food Srvcs 2,137
Accommodation 530
Food Srv/Drinking Places 1,607
   
Other Srv excl Pub Admin 1,145
Auto Repair/Maintenance 138
Public Administration Emp 1,275

Source: ESRI, 2025-08-25

Educational Attainment (25+)

Groton 2025
<9th Grade 544
Some High School 840
GED 1,124
Graduated High School 5,778
Some College/No Degree 4,824
Associates Degree 2,364
Bachelor's Degree 6,331
Graduate Degree 5,224

Source: ESRI, 2025-08-25

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Businesses

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Businesses by NAICS

Category Number
Total Businesses 1,447
Agr/Forestry/Fish/Hunt Bus 5
Mining Bus 3
Utilities Bus 2
Construction Bus 80
Manufacturing Bus 46
Wholesale Trade Bus 33
   
Retail Trade Bus 206
Motor Veh/Parts Dealers Bus 35
Furn & Home Furnish Str Bus 8
Electronics & Appl Store Bus 6
Bldg Matl/Garden Equip Bus 7
Food & Beverage Stores Bus 44
Health/Pers Care Stores Bus 19
Gasoline Stations Bus 10
Clothing/Accessory Store Bus 25
Sports/Hobby/Book/Music Bus 33
General Merchandise Str Bus 18
   
Transportation/Warehouse Bus 26
Information Bus 25
   
Finance & Insurance Bus 51
Cntrl Bank/Crdt Intrmdtn Bus 23
Sec/Cmdty Cntrct/Oth Inv Bus 19
Insur/Funds/Trusts/Other Bus 9
   
Real Estate/Rent/Leasing Bus 83
Prof/Scientific/Tech Srv Bus 124
Legal Services Bus 21
Mgmt of Comp/Enterprises Bus 3
Admin/Support/Waste Mgmt Bus 37
Educational Services Bus 33
HealthCare/Social Assist Bus 155
Arts/Entertainment/Rec Bus 54
   
Accommodation/Food Srvcs Bus 144
Accommodation Bus 25
Food Srv/Drinking Places Bus 120
   
Other Srv excl Pub Admin Bus 215
Auto Repair/Maintenance Bus 22
Public Administration Bus 62

Source: ESRI, 2025-08-25

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