Oak Ridge, Tennessee demographics

Oak Ridge, TN demographics: median age 39.3; 40.2% of adults 25+ hold a bachelor’s degree. Age, race, households, languages and education, ACS 2020–2024 with margins of error.

ACS 2020–2024 · Oak Ridge city, Tennessee · Incorporated city · GEOID 4755120. The survey estimates a population of 32,693 for its five-year window. This is separate from the annual July 2025 population estimate on the city overview.

Median age in Oak Ridge is 39.3 years, with a 90% margin of error of 1.8 years. There are 14,015 households (±399). Age and household distributions show how these totals are composed; they do not establish which neighborhood suits a particular person.

Every count and share is an estimate. “±” is a 90% margin of error (MOE); pp means percentage points. Derived shares use the category count divided by the named universe. Aggregated category MOEs and percentage MOEs are approximate. A margin larger than half its estimate is flagged as low precision. Blank source uncertainty is shown as unavailable, never zero.

Age distribution and sex

City, state and U.S. estimates · ACS 2020–2024
Measure / survey universe	City estimate ± MOE	State estimate ± MOE	U.S. estimate ± MOE
Median age Total population · years	39.3 ±1.8	38.9 ±0.1	38.9 ±0.1

Age groups · B01001 · ACS 2020–2024 Total population: 32,693
Category	Count ± MOE	Share ± MOE (pp)	Tennessee	U.S.
Under 18	7,610 ±604	23.3% ±1.8 pp	22.2%	22.0%
18–34	6,941 ±594	21.2% ±1.8 pp	22.7%	22.8%
35–64	11,734 ±769	35.9% ±2.4 pp	38.0%	38.0%
65 and older	6,408 ±498	19.6% ±1.5 pp	17.1%	17.2%

Sex categories as published by ACS · B01001 · ACS 2020–2024 Total population: 32,693
Category	Count ± MOE	Share ± MOE (pp)	Tennessee	U.S.
Male	15,988 ±412	48.9% ±1.3 pp	49.1%	49.5%
Female	16,705 ±416	51.1% ±1.3 pp	50.9%	50.5%

The age groups are mutually exclusive and cover the entire population. The sex categories follow this ACS table’s published classification; they are not a survey of gender identity.

Race and Hispanic origin

Race · B02001 · ACS 2020–2024 Total population: 32,693
Category	Count ± MOE	Share ± MOE (pp)	Tennessee	U.S.
White alone	26,254 ±508	80.3% ±1.6 pp	72.4%	61.0%
Black or African American alone	1,934 ±357	5.9% ±1.1 pp	15.6%	12.2%
American Indian and Alaska Native alone	160 ±98 · low precision	0.5% ±0.3 pp · low precision	0.3%	0.9%
Asian alone	864 ±218	2.6% ±0.7 pp	1.9%	6.0%
Native Hawaiian and Other Pacific Islander alone	0 ±30 · low precision	0.0% ±0.1 pp · low precision	0.1%	0.2%
Some other race alone	636 ±236	1.9% ±0.7 pp	2.7%	7.1%
Two or more races	2,845 ±442	8.7% ±1.4 pp	7.0%	12.6%

Hispanic or Latino origin · B03003 · ACS 2020–2024 Total population: 32,693
Category	Count ± MOE	Share ± MOE (pp)	Tennessee	U.S.
Not Hispanic or Latino	30,454 ±308	93.2% ±0.9 pp	92.6%	80.7%
Hispanic or Latino	2,239 ±306	6.8% ±0.9 pp	7.4%	19.3%

Hispanic origin and race are separate questions. People of Hispanic or Latino origin may be of any race and appear in both tables. Do not add the Hispanic share to race shares. Race alone and two-or-more-race groups are the mutually exclusive categories of the race table.

Household types, children and living alone

Household types · B11001 · ACS 2020–2024 Households: 14,015
Category	Count ± MOE	Share ± MOE (pp)	Tennessee	U.S.
Married-couple family	5,894 ±391	42.1% ±2.5 pp	46.8%	46.9%
Other family: male householder, no spouse present	845 ±240	6.0% ±1.7 pp	4.8%	5.1%
Other family: female householder, no spouse present	1,641 ±265	11.7% ±1.9 pp	12.6%	12.2%
Nonfamily: householder living alone	4,749 ±452	33.9% ±3.1 pp	29.5%	28.7%
Nonfamily: householder not living alone	886 ±253	6.3% ±1.8 pp	6.3%	7.0%

Households with children · B11005 · ACS 2020–2024 Households: 14,015
Category	Count ± MOE	Share ± MOE (pp)	Tennessee	U.S.
Households with people under 18	4,075 ±377	29.1% ±2.6 pp	29.3%	29.5%
Households without people under 18	9,940 ±551	70.9% ±3.4 pp	70.7%	70.5%

Household size · B11016 · ACS 2020–2024 Households: 14,015
Category	Count ± MOE	Share ± MOE (pp)	Tennessee	U.S.
One-person nonfamily households	4,749 ±452	33.9% ±3.1 pp	29.5%	28.7%
Two-person households	4,717 ±495	33.7% ±3.4 pp	35.2%	33.8%
Three-person households	1,921 ±353	13.7% ±2.5 pp	15.4%	15.3%
Four-person households	1,751 ±310	12.5% ±2.2 pp	11.7%	12.6%
Five-person households	484 ±139	3.5% ±1.0 pp	5.2%	5.9%
Six-person households	322 ±136	2.3% ±1.0 pp	1.9%	2.2%
Seven or more people	71 ±63 · low precision	0.5% ±0.4 pp · low precision	1.2%	1.4%

A family household contains related people under the Census definition. A nonfamily household can contain one person or unrelated people sharing a home. Households with children can also appear in the household-type and size tables, so those tables must not be added together. Household estimates exclude people living in group quarters from the household universe.

Nativity and languages spoken at home

Nativity · B05002 · ACS 2020–2024 Total population: 32,693
Category	Count ± MOE	Share ± MOE (pp)	Tennessee	U.S.
Native	30,804 ±379	94.2% ±1.2 pp	93.9%	85.9%
Foreign born	1,889 ±380	5.8% ±1.2 pp	6.1%	14.1%

Language spoken at home · C16001 · ACS 2020–2024 Population age 5 and older: 31,158
Category	Count ± MOE	Share ± MOE (pp)	Tennessee	U.S.
English only	28,416 ±492	91.2% ±1.4 pp	91.4%	77.7%
Spanish	1,459 ±319	4.7% ±1.0 pp	5.2%	13.6%
French, Haitian, or Cajun	76 ±83 · low precision	0.2% ±0.3 pp · low precision	0.2%	0.7%
German or other West Germanic	225 ±122 · low precision	0.7% ±0.4 pp · low precision	0.3%	0.5%
Russian, Polish, or other Slavic	114 ±91 · low precision	0.4% ±0.3 pp · low precision	0.2%	0.7%
Other Indo-European	133 ±120 · low precision	0.4% ±0.4 pp · low precision	0.7%	2.0%
Korean	144 ±114 · low precision	0.5% ±0.4 pp · low precision	0.1%	0.3%
Chinese, including Mandarin and Cantonese	310 ±153	1.0% ±0.5 pp	0.2%	1.1%
Vietnamese	38 ±54 · low precision	0.1% ±0.2 pp · low precision	0.2%	0.5%
Tagalog, including Filipino	55 ±51 · low precision	0.2% ±0.2 pp · low precision	0.1%	0.6%
Other Asian and Pacific Island	58 ±51 · low precision	0.2% ±0.2 pp · low precision	0.5%	1.1%
Arabic	40 ±58 · low precision	0.1% ±0.2 pp · low precision	0.5%	0.5%
Other and unspecified	90 ±81 · low precision	0.3% ±0.3 pp · low precision	0.4%	0.8%

Foreign born means not a U.S. citizen at birth; it includes naturalized citizens. Language categories describe speech at home among people age five and older. A language other than English at home does not establish that someone cannot speak English. This city page uses the published C16001 summary categories because the more detailed B16001 table does not provide these city records in this release.

Educational attainment

Highest completed education · B15003 · ACS 2020–2024 Population age 25 and older: 22,950
Category	Count ± MOE	Share ± MOE (pp)	Tennessee	U.S.
Less than high school graduate	1,682 ±353	7.3% ±1.5 pp	10.0%	10.4%
High school graduate or equivalency	4,936 ±532	21.5% ±2.2 pp	31.2%	26.0%
Some college, no degree	4,743 ±523	20.7% ±2.2 pp	19.9%	19.1%
Associate’s degree	2,353 ±366	10.3% ±1.6 pp	7.9%	8.8%
Bachelor’s degree	5,070 ±416	22.1% ±1.7 pp	19.4%	21.6%
Graduate or professional degree	4,166 ±436	18.2% ±1.8 pp	11.7%	14.1%

The denominator excludes residents under 25. Each person is counted in the highest attainment category they completed. This table does not measure the quality of local schools or the education level of every current student.

Residence one year earlier

Geographic mobility · B07003 · ACS 2020–2024 Population age 1 and older: 32,383
Category	Count ± MOE	Share ± MOE (pp)	Tennessee	U.S.
Same house	25,992 ±1,107	80.3% ±3.4 pp	87.1%	87.7%
Moved within same county	2,133 ±757	6.6% ±2.3 pp	6.4%	6.3%
Moved from a different county in the same state	2,138 ±507	6.6% ±1.6 pp	3.1%	3.1%
Moved from a different state	2,060 ±692	6.4% ±2.1 pp	3.0%	2.3%
Moved from abroad	60 ±51 · low precision	0.2% ±0.2 pp · low precision	0.4%	0.6%

These are respondents’ residence patterns one year before their survey response, pooled across the five-year window. They are not a net migration count for 2025. A person can move to a different house within the same city or county; moves within the same county should not automatically be interpreted as new arrivals to the city.

Health insurance, internet access and veterans

6.6% of Oak Ridge residents (±1.2 percentage points) had no health insurance coverage when surveyed, compared with 10.0% in Tennessee and 8.4% nationally. 94.5% of households subscribe to broadband of any type, including cellular data plans. A subscription is not the same as available service: the FCC National Broadband Map shows providers at a specific address.

City, state and U.S. shares · ACS 2020–2024
Measure	Oak Ridge	Tennessee	U.S.	Compared with Tennessee
People without health insurance Civilian noninstitutionalized population	6.6% ±1.2 pp	10.0%	8.4%	Lower
Households with a broadband subscription Households	94.5% ±1.3 pp	89.2%	91.0%	Higher
Veterans Civilian population age 18 and older	9.9% ±1.3 pp	7.3%	6.2%	Higher

Reading and reusing the estimates

The Census table links above lead to the original detailed tables. Counts, source universes and uncertainty are retained in the source observation download for Oak Ridge . Compare these figures with the same survey window; do not compare one city’s five-year estimate with another city’s annual estimate as though they measured the same period. For methods, see uncertainty and denominator calculations.

Read Oak Ridge housing and cost context or return to the city profile.