Montclair township Population

2010–2026

44,647

2026 projection

12% since 2020 (increase)

010K20K30K40K50K201020122014201620182020202220242026

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 Montclair township. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202644,647+140.03%
202544,633+140.03%
202444,619+6961.58%
202343,923+3,7129.23%
202240,211+660.16%
202140,145+2760.69%
202039,869+1,1452.96%
201938,724+30.01%
201838,721+300.08%
201738,691+1890.49%

Showing 10 of 17 years.

Montclair township Demographics

39.9median age

Median age

Female42.5 yrs
Male37.6 yrs

Adults

30,241
6,068 seniors · 20%24,173 other adults

Sex

Female 50.2% · 20,238Male 49.8% · 20,103

Population by age

MaleFemale85+ years, male: 21785+ years, female: 37880–84 years, male: 32080–84 years, female: 48475–79 years, male: 29675–79 years, female: 66570–74 years, male: 76070–74 years, female: 95865–69 years, male: 99765–69 years, female: 99360–64 years, male: 1,09860–64 years, female: 1,41355–59 years, male: 1,23955–59 years, female: 1,26650–54 years, male: 1,68550–54 years, female: 1,58245–49 years, male: 1,37845–49 years, female: 1,69840–44 years, male: 1,25840–44 years, female: 1,43835–39 years, male: 1,58035–39 years, female: 1,60130–34 years, male: 1,29330–34 years, female: 1,16825–29 years, male: 92625–29 years, female: 1,04320–24 years, male: 93020–24 years, female: 88015–19 years, male: 1,61515–19 years, female: 1,41010–14 years, male: 1,94510–14 years, female: 1,0755–9 years, male: 1,2565–9 years, female: 1,2360–4 years, male: 1,3100–4 years, female: 95085+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 403 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

Montclair township Income

$151,075median household income

Median household income

$151,075

Half of households earn more, half earn less

Median earnings

$94,482

Typical yearly pay for a worker 25 or older.

Poverty rate

7.5%

About 1 in 13 residents

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

Montclair township Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%53%46%
Never married36%39%34%
Divorced9%5%13%
Widowed4%2%6%
Separated2%1%2%

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