Groton vs Norwich

A side-by-side comparison of Groton and Norwich: population, income, housing, and more.

Groton and Norwich are places in Connecticut. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Norwich has the higher population (39,992 vs 9,343 in Groton). Groton has the higher median household income ($69,811 vs $64,185 in Norwich). Groton has the higher median home value ($278,900 vs $231,300 in Norwich).

Population, income & housing

	Groton	Norwich
Population	9,343	39,992
Median age	38.6 yrs	38.8 yrs
Median household income	$69,811	$64,185
Median home value	$278,900	$231,300
Median gross rent	$1,179	$1,203
Housing units	5,193	19,057
Homeownership rate	41.3%	54.0%
Bachelor's degree or higher	34.7%	22.6%
Unemployment rate	6.4%	7.1%

Trends (ACS 5-year, 2019–2023)

	Groton	Norwich
Population	9,030 → 9,343 (+3.5%)	39,260 → 39,992 (+1.9%)
Median household income	$52,859 → $69,811 (+32.1%)	$57,052 → $64,185 (+12.5%)
Median home value	$221,800 → $278,900 (+25.7%)	$164,200 → $231,300 (+40.9%)
Median gross rent	$1,014 → $1,179 (+16.3%)	$1,061 → $1,203 (+13.4%)

Groton

Population

9,0309,343

Median household income

$52,859$69,811

Median home value

$221,800$278,900

Median gross rent

$1,014$1,179

Norwich

Population

39,26039,992

Median household income

$57,052$64,185

Median home value

$164,200$231,300

Median gross rent

$1,061$1,203

Age & race/ethnicity

Age distribution (share)

	Groton	Norwich
Under 5	3.3%	5.1%
5 to 17	12.2%	16.0%
18 to 24	11.5%	8.7%
25 to 34	19.6%	14.5%
35 to 44	9.7%	14.1%
45 to 54	8.7%	10.8%
55 to 64	19.4%	13.0%
65 to 74	8.8%	11.2%
75 and over	6.8%	6.7%

Race & ethnicity (share)

	Groton	Norwich
White (non-Hispanic)	62.2%	55.9%
Black or African American	9.0%	10.1%
American Indian & Alaska Native	0.2%	0.3%
Asian	5.4%	6.4%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.7%	1.0%
Two or more races	6.4%	4.8%
Hispanic or Latino	16.0%	21.4%

Educational attainment (age 25+)

Share of adults 25+

	Groton	Norwich
No high school diploma	8.7%	12.3%
High school graduate	26.1%	34.5%
Some college or associate's	30.6%	30.6%
Bachelor's degree	24.4%	13.5%
Graduate or professional degree	10.3%	9.1%

Commute to work

How workers get to work (share)

	Groton	Norwich
Drove alone	71.0%	76.4%
Carpooled	7.2%	12.8%
Public transit	2.6%	1.4%
Walked	13.7%	0.7%
Bicycle	0.3%	0.0%
Worked from home	4.4%	6.6%
Other means	0.8%	2.1%

Housing

Units in structure (share)

	Groton	Norwich
1-unit, detached	38.5%	43.9%
1-unit, attached	4.1%	5.8%
2 to 4 units	27.4%	25.1%
5 to 19 units	16.4%	13.5%
20 or more units	13.3%	8.9%
Mobile home & other	0.3%	2.8%

Poverty & households

	Groton	Norwich
Poverty rate	19.5%	14.9%
Average household size	1.99	2.35
Mean commute (minutes)	18	23
Median year structure built	1968	1958