Oak Ridge Population

1940–2026

36,223

2026 projection

15.4% since 2020 (increase)

010K20K30K40K50K19401960198020002020

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 Oak Ridge. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202636,223+8282.34%
202535,395+3661.04%
202435,029+8192.39%
202334,210+8572.57%
202233,353+1,0213.16%
202132,332+9302.96%
202031,402+3131.01%
201931,089+3081.00%
201830,781+2240.73%
201730,557+3071.01%

Showing 10 of 24 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

Oak Ridge is growing faster than Anderson County, Tennessee, and the U.S.

  • Oak Ridge+11.6%
  • Anderson County+6.1%
  • Tennessee+5.6%
  • United States+3.1%

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.

Oak Ridge Demographics

39.3median age

Median age

Female41 yrs
Male37.5 yrs

Adults

25,083
6,408 seniors (65+) · 26% of adults18,675 other adults

Sex

Female 51.1% · 16,705Male 48.9% · 15,988

Population by age

MaleFemale85+ years, male: 22685+ years, female: 62880–84 years, male: 33680–84 years, female: 35175–79 years, male: 52075–79 years, female: 52370–74 years, male: 96670–74 years, female: 94965–69 years, male: 82765–69 years, female: 1,08260–64 years, male: 1,13560–64 years, female: 1,06955–59 years, male: 89255–59 years, female: 1,20750–54 years, male: 92250–54 years, female: 70545–49 years, male: 83245–49 years, female: 94940–44 years, male: 81640–44 years, female: 1,15935–39 years, male: 1,01735–39 years, female: 1,03130–34 years, male: 1,47030–34 years, female: 1,09525–29 years, male: 1,27425–29 years, female: 96920–24 years, male: 68420–24 years, female: 77915–19 years, male: 99915–19 years, female: 1,02510–14 years, male: 1,20510–14 years, female: 1,2975–9 years, male: 1,1715–9 years, female: 1,0480–4 years, male: 6960–4 years, female: 83985+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 327 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

Oak Ridge Income

$72,311median household income

Median household income

$72,311

Half of households earn more, half earn less

Median earnings

$49,200

Typical yearly pay for a worker 25 or older.

Poverty rate

12.2%

About 1 in 8 residents

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

Oak Ridge Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%51%46%
Never married30%33%26%
Divorced13%10%15%
Widowed8%5%11%
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