Montgomery County Population

1870–2026

29,948

2026 projection

4.6% since 2020 (decrease)

010K20K30K40K50K60K18801900192019401960198020002020

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.
202629,948-2290.76%
202530,177-2290.75%
202430,406-3151.03%
202330,721-1880.61%
202230,909-2810.90%
202131,190-2110.67%
202031,401-3951.24%
201931,796-2440.76%
201832,040-3421.06%
201732,382-4681.42%

Showing 10 of 30 years.

Montgomery County Demographics

41.2median age

Median age

Female42.9 yrs
Male38.8 yrs

Adults

23,622
6,283 seniors (65+) · 27% of adults17,339 other adults

Sex

Female 50.5% · 15,616Male 49.5% · 15,324

Population by age

MaleFemale85+ years, male: 25485+ years, female: 49280–84 years, male: 29280–84 years, female: 56475–79 years, male: 50175–79 years, female: 49670–74 years, male: 72570–74 years, female: 82865–69 years, male: 1,09665–69 years, female: 1,03560–64 years, male: 1,16360–64 years, female: 1,27055–59 years, male: 93355–59 years, female: 1,07650–54 years, male: 84550–54 years, female: 85345–49 years, male: 81745–49 years, female: 76040–44 years, male: 82940–44 years, female: 99435–39 years, male: 97135–39 years, female: 86430–34 years, male: 84730–34 years, female: 87025–29 years, male: 74425–29 years, female: 71020–24 years, male: 1,06920–24 years, female: 64215–19 years, male: 1,27915–19 years, female: 1,29810–14 years, male: 1,14310–14 years, female: 1,0465–9 years, male: 8765–9 years, female: 9820–4 years, male: 9400–4 years, female: 83685+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 309 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

$55,697median household income

Median household income

$55,697

Half of households earn more, half earn less

Median earnings

$41,209

Typical yearly pay for a worker 25 or older.

Poverty rate

15.9%

About 1 in 6 residents

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

Montgomery County 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%50%48%
Never married28%33%24%
Divorced12%11%13%
Widowed9%4%14%
Separated1%2%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