Montgomery County Population

1830–2026

38,998

2026 projection

2.8% since 2020 (increase)

010K20K30K40K1850190019502000

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 Montgomery County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202638,998+440.11%
202538,954+440.11%
202438,910+2180.56%
202338,692+3650.95%
202238,327+3090.81%
202138,018+800.21%
202037,938-3370.88%
201938,275+240.06%
201838,251-920.24%
201738,343+1030.27%

Showing 10 of 34 years.

Montgomery County Demographics

40.4median age

Median age

Female42.3 yrs
Male39 yrs

Adults

29,503
7,222 seniors (65+) · 24% of adults22,281 other adults

Sex

Female 49.2% · 18,862Male 50.8% · 19,450

Population by age

MaleFemale85+ years, male: 26185+ years, female: 46380–84 years, male: 38980–84 years, female: 56975–79 years, male: 65975–79 years, female: 77770–74 years, male: 95270–74 years, female: 84465–69 years, male: 1,03465–69 years, female: 1,27460–64 years, male: 1,50160–64 years, female: 1,62955–59 years, male: 1,12555–59 years, female: 1,11250–54 years, male: 1,21250–54 years, female: 1,10445–49 years, male: 1,11545–49 years, female: 1,11340–44 years, male: 1,24140–44 years, female: 1,02735–39 years, male: 1,02035–39 years, female: 1,07030–34 years, male: 1,17830–34 years, female: 1,19925–29 years, male: 1,11925–29 years, female: 1,11720–24 years, male: 1,45120–24 years, female: 1,01115–19 years, male: 1,47115–19 years, female: 1,06910–14 years, male: 1,12610–14 years, female: 1,2465–9 years, male: 1,4335–9 years, female: 1,1470–4 years, male: 1,1630–4 years, female: 1,09185+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 383 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

Montgomery County Income

$71,479median household income

Median household income

$71,479

Half of households earn more, half earn less

Median earnings

$48,344

Typical yearly pay for a worker 25 or older.

Poverty rate

10.5%

About 1 in 9 residents

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

Montgomery County Marital Status

55% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married55%54%56%
Never married26%31%21%
Divorced11%11%12%
Widowed7%4%10%
Separated1%1%1%

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

Sources

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

Population

American Community Survey, 2024 5-year