Montgomery County, Tennessee Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 7th-largest in Tennessee
The population of Montgomery County, Tennessee is 227,957 as of the 2023 American Community Survey, making it the 7th-largest county in Tennessee. The median household income is $72,365, the median home value is $248,300, and the median age is 31.7.
The population of Montgomery County has grown 42.1% since 2010 (173,181 → 246,025), a +2.54% annualized rate.
227,957
Population
+2.54%
Annual growth
423
People / sq mi
$72,365
Median Income
$248,300
Median Home Value
Montgomery County covers 539 sq mi of land at 422.8 people per square mile.
About Montgomery County, TN
Age is the most distinctive thing about Montgomery County: a median age of 31.7, younger than the national median. Montgomery County is a county in Tennessee with a population of 227,957. That makes it one of the ten largest counties in Tennessee in the country, at #7 by population.
Median household income is $72,365, below the US median of $78,538. Poverty runs at 8.7%, below the national 12.4%. A typical home is worth $248,300, with typical rent around $1,219.
Educational attainment is on the higher side for US counties — 31.7% of adults hold a four-year degree, below the national 35.0%. About 7.1% of the workforce is home-based, below the national 14.0%, and the average commute runs about 27 minutes each way.
Montgomery County Population History (2010-2024)
The county of Montgomery County had a population of 173,181 in 2010 and 246,025 in 2024, a 42.1% growth over 14 years. The peak was 246,025 in 2024. Average annual growth rate: 2.55%.
246,025
Population (2024)
173,181
Population (2010)
246,025
Peak (2024)
2.55%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 173,181 |
| 2011 | 176,603 |
| 2012 | 184,946 |
| 2013 | 184,480 |
| 2014 | 189,294 |
| 2015 | 192,749 |
| 2016 | 194,823 |
| 2017 | 200,228 |
| 2018 | 205,849 |
| 2019 | 209,807 |
| 2020 | 221,309 |
| 2021 | 227,780 |
| 2022 | 235,252 |
| 2023 | 240,398 |
| 2024 | 246,025 |
Race & Ethnicity
| White | 64.3% |
| Black or African American | 20.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.3% |
| Two or More Races | 0.0% |
Age & Sex
31.7
Median Age
50.1%
Female
49.9%
Male
9.8%
Age 65+
Age Distribution
Children (under 15): 22.9% · Seniors (65+): 9.8%
Income & Poverty
| Median household income | $72,365+$5,268 vs state |
| Mean household income | $88,167 |
| Per-capita income | $33,645 |
| Poverty rate | 8.7%-1.2% vs state |
| Unemployment rate | 3.3% |
| Employment-to-population | 56.3% |
Top Industries by Employment
The largest employment sector in Montgomery County is professional & business services, accounting for 24.2% of workers.
How residents commute
0.5%
Drive alone
1.0%
Carpool
80.8%
Public transit
7.1%
Work from home
27.2 min
Avg commute
Housing
$248,300$-8,500 vs state
Median home value
$1,219
Median rent
62.9%
Homeownership rate
90,226
Total housing units
93.5%
Occupied
6.5%
Vacant
37.1%
Renter-occupied
Social & access
91.1%
With health insurance
97.8%
With broadband internet
53.0%
Foreign-born
19.3%
Veterans (18+)
14.9%
With a disability
90.2%
Speak language other than English at home
Education
94.3%
High School+
31.7%
Bachelor's+
Largest cities in Tennessee
Other counties in Tennessee
Part of Tennessee
Metro areas in Tennessee
County rankings
Frequently Asked Questions
Montgomery County, Tennessee has a population of 227,957 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 7th-largest county in Tennessee. Population density is 423 people per square mile.
The population of Montgomery County has grown 42.1% since 2010 (173,181 → 246,025), a +2.54% annualized rate.
The median household income in Montgomery County, Tennessee is $72,365, with mean (average) household income of $88,167 and per-capita income of $33,645. 8.7% of residents live below the federal poverty level.
In Montgomery County, the largest racial and ethnic groups are White (64.3%), Black or African American (20.0%), Hispanic or Latino (2.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Montgomery County, Tennessee is 31.7 years. Residents are 50.1% female and 49.9% male.
The median home value in Montgomery County is $248,300 and median monthly rent is $1,219. 62.9% of occupied housing units are owner-occupied. The county has 90,226 total housing units, 6.5% of which are vacant.
The largest employment sector in Montgomery County, Tennessee is professional, scientific, and management services, employing 24.2% of workers. The unemployment rate is 3.3%.
Nashville-Davidson is among the largest cities associated with Montgomery County, Tennessee, with a population of 684,298.
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Full rankings of Tennessee counties
Statewide data for Tennessee
Population, race, income, age, and trends across Tennessee
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.