Norwich Population

1800–2026

40,000

2026 projection

0.3% since 2020 (decrease)

010K20K30K40K50K18001850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Norwich. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202640,000-10.00%
202540,001-320.08%
202440,033+990.25%
202339,934+560.14%
202239,878-1870.47%
202140,065-600.15%
202040,125-760.19%
201940,201-1830.45%
201840,384-140.03%
201740,398+170.04%

Showing 10 of 38 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Norwich has a population change lower than Southeastern Connecticut Planning Region, Connecticut, and the U.S.

  • United States+3.1%
  • Connecticut+3.0%
  • Southeastern Connecticut Planning Region+2.0%
  • Norwich−0.1%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Norwich Demographics

38.5median age

Median age

Female41.1 yrs
Male36.3 yrs

Adults

31,611
6,774 seniors (65+) · 21% of adults24,837 other adults

Sex

Female 49.6% · 19,826Male 50.4% · 20,147

Population by age

MaleFemale85+ years, male: 22685+ years, female: 49480–84 years, male: 24980–84 years, female: 43675–79 years, male: 29575–79 years, female: 68570–74 years, male: 92970–74 years, female: 60365–69 years, male: 1,33965–69 years, female: 1,51860–64 years, male: 1,19860–64 years, female: 1,43355–59 years, male: 1,14955–59 years, female: 1,19650–54 years, male: 1,01750–54 years, female: 1,34545–49 years, male: 1,22045–49 years, female: 90340–44 years, male: 1,35640–44 years, female: 1,73335–39 years, male: 1,48535–39 years, female: 96330–34 years, male: 1,40830–34 years, female: 1,10325–29 years, male: 1,74425–29 years, female: 1,64720–24 years, male: 1,53320–24 years, female: 1,21915–19 years, male: 1,90615–19 years, female: 1,17010–14 years, male: 1,21110–14 years, female: 1,5095–9 years, male: 8125–9 years, female: 8100–4 years, male: 1,0700–4 years, female: 1,05985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 400 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Norwich Income

$65,024median household income

Median household income

$65,024

Half of households earn more, half earn less

Median earnings

$49,366

Typical yearly pay for a worker 25 or older.

Poverty rate

16.7%

About 1 in 6 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Norwich Marital Status

36% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married36%36%36%
Never married42%46%37%
Divorced14%13%15%
Widowed7%3%11%
Separated2%2%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources