Troy Population

1810–2026

27,530

2026 projection

4.7% since 2020 (increase)

05K10K15K20K25K30K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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 Troy. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202627,530+1860.68%
202527,344+2050.76%
202427,139+2400.89%
202326,899+1920.72%
202226,707+1890.71%
202126,518+2130.81%
202026,305+910.35%
201926,214+2090.80%
201826,005+1990.77%
201725,806+1490.58%

Showing 10 of 37 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Troy is growing faster than Miami County, Ohio, and the U.S.

  • Troy+3.6%
  • Miami County+3.4%
  • United States+3.1%
  • Ohio+0.9%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Troy Demographics

37.8median age

Median age

Female39.5 yrs
Male35.8 yrs

Adults

19,936
4,446 seniors (65+) · 22% of adults15,490 other adults

Sex

Female 50.2% · 13,464Male 49.8% · 13,378

Population by age

MaleFemale85+ years, male: 6385+ years, female: 28780–84 years, male: 24580–84 years, female: 32975–79 years, male: 52175–79 years, female: 56770–74 years, male: 49670–74 years, female: 71565–69 years, male: 52765–69 years, female: 69660–64 years, male: 70560–64 years, female: 89655–59 years, male: 75255–59 years, female: 85650–54 years, male: 78450–54 years, female: 61245–49 years, male: 73845–49 years, female: 91840–44 years, male: 72440–44 years, female: 72535–39 years, male: 1,21635–39 years, female: 1,31530–34 years, male: 1,10430–34 years, female: 98325–29 years, male: 70825–29 years, female: 61820–24 years, male: 86120–24 years, female: 55815–19 years, male: 1,03015–19 years, female: 63010–14 years, male: 94110–14 years, female: 1,2145–9 years, male: 1,1235–9 years, female: 6830–4 years, male: 8400–4 years, female: 86285+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 268 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

Troy Income

$68,830median household income

Median household income

$68,830

Half of households earn more, half earn less

Median earnings

$52,358

Typical yearly pay for a worker 25 or older.

Poverty rate

12.6%

About 1 in 8 residents

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

Troy 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%55%51%
Never married28%34%21%
Divorced11%7%15%
Widowed7%3%10%
Separated2%1%2%

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

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources