Dedham Population

2011–2026

25,197

2026 projection

0.5% since 2020 (decrease)

05K10K15K20K25K30K20122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual 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 Dedham. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202625,197+300.12%
202525,167+580.12%
202325,109-410.16%
202225,150-1580.62%
202125,308-220.09%
202025,330+470.19%
201925,283-940.37%
201825,37700.00%
201725,377+1050.42%
201625,272+480.19%

Showing 10 of 15 years.

Dedham Demographics

44.6median age

Median age

Female47.6 yrs
Male42.1 yrs

Adults

20,532
5,528 seniors · 27%15,004 other adults

Sex

Female 51.2% · 12,922Male 48.8% · 12,315

Population by age

MaleFemale85+ years, male: 36985+ years, female: 71880–84 years, male: 16680–84 years, female: 44675–79 years, male: 45575–79 years, female: 54670–74 years, male: 56970–74 years, female: 64865–69 years, male: 79365–69 years, female: 81860–64 years, male: 68860–64 years, female: 1,20755–59 years, male: 87455–59 years, female: 75250–54 years, male: 84950–54 years, female: 97845–49 years, male: 86445–49 years, female: 75840–44 years, male: 83840–44 years, female: 76535–39 years, male: 1,03835–39 years, female: 83330–34 years, male: 85330–34 years, female: 68225–29 years, male: 65825–29 years, female: 46920–24 years, male: 90420–24 years, female: 68115–19 years, male: 50415–19 years, female: 64610–14 years, male: 62110–14 years, female: 6355–9 years, male: 7585–9 years, female: 6500–4 years, male: 5140–4 years, female: 69085+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

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 252 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

Dedham Income

$128,955median household income

Median household income

$128,955

Half of households earn more, half earn less

Median earnings

$83,304

Typical yearly pay for a worker 25 or older.

Poverty rate

5.6%

About 1 in 18 residents

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

Dedham Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%50%46%
Never married33%37%29%
Divorced10%9%11%
Widowed9%4%14%
Separated<1%<1%<1%

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

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year