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Town of Griswold, Southeastern Connecticut Planning Region, Connecticut

The Town of Griswold is a town in Southeastern Connecticut Planning Region, Connecticut. About 11,530 people live there (2020–2024 estimate). It covers 34.7 sq mi (89.9 km²) of land and uses Eastern Time. It has its own local government.

BridgeportStamfordNew Haven
Town of Griswold in Connecticut
Town of VoluntownTown of LisbonTown of Preston
Town of Griswold and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
11,530 ± 23
Planning region
Southeastern Connecticut Planning Region
School district
Griswold School District
Land area
34.7 sq mi (89.9 km²)
Type
TownIts own local government
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$78,719 ± $11,234
Median home value
$275,900 ± $42,202
Water area
2.36 sq mi (6.1 km²)
State
Connecticut
Census code (GEOID)
0918033900
Coordinates (central point)
41.584772, -71.921091
Check a point in the township finder

These coordinates mark a central point for the area, not a street address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Census place in the Town of Griswold

  1. Jewett City (borough)3,429 people

This place’s central point lies inside the Town of Griswold. A place can reach across the line, and its government, if it has one, can be separate from the town’s.

Bordering areas, nearest first

  1. Town of Voluntown, Northeastern Connecticut Planning Region4.7 mi east
  2. Town of Lisbon4.9 mi west
  3. Town of Preston6.4 mi southwest
  4. Town of Plainfield, Northeastern Connecticut Planning Region7.6 mi north
  5. Town of North Stonington8.3 mi south
  6. Town of Canterbury, Northeastern Connecticut Planning Region8.8 mi northwest

These towns, townships, cities and boroughs share a boundary with the Town of Griswold. Distances are straight lines between central points, not driving distances.

Other towns in Southeastern Connecticut Planning Region, largest first

  1. Town of Norwich39,973 people
  2. Town of Groton38,130 people
  3. Town of New London27,625 people
  4. Town of Windham23,961 people
  5. Town of Waterford19,673 people
  6. Town of East Lyme18,721 people
  7. Town of Stonington18,478 people
  8. Town of Montville17,950 people
  9. Town of Colchester15,648 people
  10. Town of Ledyard15,433 people
  11. Town of Lebanon7,116 people
  12. Town of North Stonington5,160 people
All 18
  1. Town of Preston4,821 people
  2. Town of Salem4,282 people
  3. Town of Lisbon4,211 people
  4. Town of Sprague2,962 people
  5. Town of Bozrah2,293 people
  6. Town of Franklin2,004 people

People counts are American Community Survey 2020–2024 5-year estimates. See Southeastern Connecticut Planning Region for its cities, ZIP Code areas and county seat.

Sunrise and sunset in the Town of Griswold

Longest day
15 hours 12 minutes around June 21
Shortest day
9 hours 10 minutes around December 21
Earliest sunrise
5:12 AM around June 15
Latest sunrise
7:25 AM the day before clocks go back in November
Earliest sunset
4:17 PM around December 8
Latest sunset
8:25 PM around June 27

Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.

Sunrise and sunset on the 15th of each month
DaySunriseSunsetDaylight
Jan 157:12 AM4:42 PM9 h 30 min
Feb 156:43 AM5:21 PM10 h 38 min
Mar 156:59 AM6:54 PM11 h 55 min
Apr 156:08 AM7:28 PM13 h 20 min
May 155:28 AM8:00 PM14 h 32 min
Jun 155:12 AM8:23 PM15 h 11 min
Jul 155:26 AM8:20 PM14 h 54 min
Aug 155:56 AM7:47 PM13 h 51 min
Sep 156:27 AM6:57 PM12 h 30 min
Oct 156:59 AM6:06 PM11 h 7 min
Nov 156:36 AM4:27 PM9 h 51 min
Dec 157:07 AM4:18 PM9 h 11 min

Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.

Before using this answer on a form

A town line is not always the line on your mail: a mailing address can name another town or post office, and school districts, ZIP Codes and tax districts follow their own lines. For taxes, voting or permits, check the full address with Southeastern Connecticut Planning Region or the local office.

Find the township or town where you are now or find your county.

See this area on Census.gov ↗