Montgomery County Population

1790–2026

26,458

2026 projection

2.9% since 2020 (increase)

05K10K15K20K25K30K18001850190019502000

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.
202626,458+550.21%
202526,403+550.21%
202426,348+1210.46%
202326,227+3621.40%
202225,865+310.12%
202125,834+1340.52%
202025,700-1,5095.55%
201927,209+1050.39%
201827,104-1700.62%
201727,274-140.05%

Showing 10 of 38 years.

Montgomery County Demographics

44median age

Median age

Female45 yrs
Male43.3 yrs

Adults

20,699
5,787 seniors (65+) · 28% of adults14,912 other adults

Sex

Female 51.1% · 13,286Male 48.9% · 12,721

Population by age

MaleFemale85+ years, male: 19685+ years, female: 22780–84 years, male: 30580–84 years, female: 38875–79 years, male: 55975–79 years, female: 69470–74 years, male: 57670–74 years, female: 84065–69 years, male: 1,05365–69 years, female: 94960–64 years, male: 92960–64 years, female: 85155–59 years, male: 1,01655–59 years, female: 98550–54 years, male: 74750–54 years, female: 91045–49 years, male: 56245–49 years, female: 80440–44 years, male: 1,01340–44 years, female: 65435–39 years, male: 55035–39 years, female: 72330–34 years, male: 71830–34 years, female: 82125–29 years, male: 92925–29 years, female: 94020–24 years, male: 63620–24 years, female: 63115–19 years, male: 71815–19 years, female: 68410–14 years, male: 81710–14 years, female: 8095–9 years, male: 7325–9 years, female: 7330–4 years, male: 6650–4 years, female: 64385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–4500500

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 260 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

$57,766median household income

Median household income

$57,766

Half of households earn more, half earn less

Median earnings

$40,818

Typical yearly pay for a worker 25 or older.

Poverty rate

15.4%

About 1 in 6 residents

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

Montgomery County Marital Status

53% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married53%54%52%
Never married28%30%27%
Divorced10%10%9%
Widowed7%3%10%
Separated2%3%2%

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