US ZIP Codes → CT → GROTON

GROTON, CT ZIP Code

City	GROTON
State	Connecticut
ZIP Codes count	2 (see all)
Post offices count	4 (see all)
Total population	9,109 (see all)

ZIP Codes for GROTON, Connecticut

06340, 06349

This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.

ZIP Codes for GROTON, CT by streets

Select a street from the list to find ZIP+4 code by address (street and house number)

List of GROTON, CT ZIP Codes

ZIP	TYPE	POPULATION
06340	STANDARD	30,565
06349	PO BOX	–

Post offices

BOROUGH — Post Office^™ 202 THAMES ST GROTON, CT 06340-3649
GROTON — Post Office^™ 100 PLAZA CT GROTON, CT 06340-9998
GROTON LONG POINT — Post Office^™ 44 BEACH RD GROTON, CT 06340-9992
GROTON NAVAL BASE — Post Office^™ 1 NAVAL SUBMARINE BASE GROTON, CT 06349-9992

Envelope example

On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:

Recipient's full name
Full street address
City, State, and ZIP Code

Using the same format, write the return address in the top left corner.

Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.

The recipient address information is provided for your reference.

Address example

51 BAILEY HILL RD
GROTON CT 06340-2401

44 CHERRY CIR
GROTON CT 06340-3143

31 CHICAGO AVE
GROTON CT 06340-4907

403 DROZDYK DR
GROTON CT 06340-4267

12 GARY CT
GROTON CT 06340-4825

67 KAREN AVE
GROTON CT 06340-4617

Map

Census data for GROTON, CT

Demographic and housing estimates in GROTON, CT

Total population
Total population	9,109
Male	4,397
Female	4,712

Population by age
Total population	9,109
Under 5 years	636
5 to 9 years	529
10 to 14 years	460
15 to 19 years	580
20 to 24 years	1,060
25 to 34 years	1,358
35 to 44 years	1,212
45 to 54 years	1,143
55 to 59 years	550
60 to 64 years	533
65 to 74 years	693
75 to 84 years	250
85 years and over	105
Median age (years)	34.3
Under 18 years	1,990
16 years and over	7,395
18 years and over	7,119
21 years and over	6,607
62 years and over	1,359
65 years and over	1,048

Population by race
Total population	9,109
One race	8,342
White	6,438
Black or African American	920
American Indian and Alaska Native	0
Asian	459
Native Hawaiian and Other Pacific Islander	0
Some other race	525
Two or more races	767

Citizen, voting age population
Citizen, VOTING AGE 18 and over population	6,770
Male Citizen, VOTING AGE 18 and over population	3,199
Female Citizen, VOTING AGE 18 and over population	3,571

Social characteristics in GROTON, CT

Households by type
Total households	4,136
Family households (families)	2,269
Married-couple family	1,168
Male householder, no wife present, family	294
Female householder, no husband present, family	807
Nonfamily households	1,867
Average household size	2.20
Average family size	2.96

Economic characteristics in GROTON, CT

Income and benefits (in 2018 inflation-adjusted dollars)
Total households	4,136
Less than $10,000	398
$10,000 to $14,999	154
$15,000 to $24,999	317
$25,000 to $34,999	389
$35,000 to $49,999	631
$50,000 to $74,999	765
$75,000 to $99,999	471
$100,000 to $149,999	655
$150,000 to $199,999	210
$200,000 or more	146
Median household income (dollars)	53,750

Housing characteristics in GROTON, CT

Housing occupancy
Total housing units	4,709
Occupied housing units	4,136
Vacant housing units	573

Units in structure
Total housing units	4,709
1-unit, detached	1,494
1-unit, attached	272
2 units	650
3 or 4 units	818
5 to 9 units	803
10 to 19 units	245
20 or more units	427
Mobile home	0
Boat, RV, van, etc.	0

Year structure built
Total housing units	4,709
Built 2014 or later	30
Built 2010 to 2013	7
Built 2000 to 2009	186
Built 1990 to 1999	429
Built 1980 to 1989	518
Built 1970 to 1979	957
Built 1960 to 1969	658
Built 1950 to 1959	627
Built 1940 to 1949	280
Built 1939 or earlier	1,017

Rooms
Total housing units	4,709
1 room	56
2 rooms	187
3 rooms	757
4 rooms	1,089
5 rooms	892
6 rooms	867
7 rooms	363
8 rooms	227
9 rooms or more	271
Median rooms	4.8

Bedrooms
Total housing units	4,709
No bedroom	56
1 bedroom	1,104
2 bedrooms	1,924
3 bedrooms	1,173
4 bedrooms	382
5 or more bedrooms	70

Housing tenure
Occupied housing units	4,136
Owner-occupied	1,750
Renter-occupied	2,386
Average household size of owner-occupied unit	2.34
Average household size of renter-occupied unit	2.10

Year householder moved into unit
Occupied housing units	4,136
Moved in 2017 or later	143
Moved in 2015 to 2016	790
Moved in 2010 to 2014	1,541
Moved in 2000 to 2009	905
Moved in 1990 to 1999	453
Moved in 1989 and earlier	304

Value
Owner-occupied units	1,750
Less than $50,000	42
$50,000 to $99,999	97
$100,000 to $149,999	179
$150,000 to $199,999	502
$200,000 to $299,999	589
$300,000 to $499,999	193
$500,000 to $999,999	143
$1,000,000 or more	5
Median (dollars)	207,900

Mortgage status
Owner-occupied units	1,750
Housing units with a mortgage	1,249
Housing units without a mortgage	501

Gross rent
Occupied units paying rent	2,298
Less than $500	341
$500 to $999	846
$1,000 to $1,499	859
$1,500 to $1,999	252
$2,000 to $2,499	0
$2,500 to $2,999	0
$3,000 or more	0
Median (dollars)	993
No rent paid	88

Data is based on 2018 Census

ZIP Codes for other locations

State for GROTON

Connecticut ZIP Codes

Other cities in Connecticut

HARTFORD NEW HAVEN WATERBURY STAMFORD BRIDGEPORT GREENWICH GRISWOLD GROSVENOR DALEGROTONGROTON LONG POINT GUILFORD GURLEYVILLE