Seymour: Demographics & People
Census counts 16,216 people in Seymour, in 6,223 households. Population grew 1.9% from 15,914 (2022) to 16,216 (2024). Median age 42.2 years. (1.3y younger than Sevier County; 7.2y older than Tennessee). Children under 18 are 24% of the population. Population is 95% White (non-Hispanic) and 2% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.04). 74% of households are family-led. County is gaining 4,298 residents per year (2022-2023). County health: 33% adult obesity, 18% smoke.
- 2.6 people per household (vs Tennessee avg 2.5).
- 26% non-family households (singles, roommates) (vs Tennessee 42%).
- 71 dependents per 100 working-age (youth + seniors / 18-64) (vs Tennessee 65).
Population & Trend
Population grew 1.9% from 15,914 (2022) to 16,216 (2024) — about 3.2× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~16,525 (extrapolated at 0.9%/yr trend). Census Bureau Vintage estimate: 16,944.
| Census data vintage | 2024 |
|---|---|
| Population | 135,280 people |
| Annual growth rate · Population change | 1.9% |
| Annual growth rate · Population (2022) | 15,914 |
| Annual growth rate · Population (2024) | 16,216 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 16,216 people (vs Tennessee 63,091) |
| Population Estimate | 16,944 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 42.2y is 3.3 years older than the U.S. median (38.9y). Children under 18 make up 24% — above the U.S. share of ~22%.
| Age Summary · Median age | 42.2 years (vs Tennessee 35.0y) |
|---|---|
| Age Summary · Children Pct | 23.6% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 16,216 |
| Age Summary · Under 18 | 3,823 |
| Age Summary · 18 To 34 | 2,883.0× |
| Age Summary · 35 To 64 | 6,575.0× |
| Age Summary · 65 Plus | 2,935 |
| Population under 18 | 3,823 |
| Median age | 42.2 years (vs Tennessee 35.0y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 16,216 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.04 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 15,300 |
|---|---|
| Asian residents | 89 |
| Hispanic or Latino residents | 203 |
| Diversity Index · Diversity index (Simpson) | 3.7% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 98.1% |
| Asian population | 0.3% (vs Tennessee 1.9%) |
| Black population | 0.2% (vs Tennessee 16.2%) |
| Hispanic or Latino population | 1.7% (vs Tennessee 10.0%) |
| White (non-Hispanic) population | 95.2% (vs Tennessee 66.3%) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Ancestry
Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.
Top (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 0.2% are foreign-born — below the U.S. average of 13.9%. 3% have naturalized to U.S. citizenship.
| Residents born in this state | 8,937 |
|---|---|
| Residents born in another state | 6,743 |
| Share born in this state | 55.1% |
| Share born in another state | 44.9% |
| Native-born U.S. citizens | 41.6% |
| Foreign-born residents | 0.2% |
| Naturalized citizens | 3.1% |
| Total foreign-born residents | 527 |
| From Europe | 12 |
| From Africa | 406 |
Households & Family Composition
6,223 households. Averaging 2.6 people each — larger than the U.S. average of 2.5. 74% are family households — above the U.S. share of ~65%. Of 4,463 families, 29% are married couples with children.
| Children under 18 | 3,574 |
|---|---|
| Total families | 4,463 |
| Married couples with children | 1,298 |
| Single-parent households | 157 |
| Average household size | 2.65 |
| Women who gave birth (past year) | 12.8% |
| Grandparents living with grandchildren | 428 |
| Grandparents responsible for grandchildren | 151 |
| Family households | 4,581 households (vs Tennessee 15,978) |
| Households that are families | 73.6% (vs Tennessee 58.5%) |
| Total households | 6,223 households (vs Tennessee 25,255) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 7.9% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 4,298 residents per year on net (IRS migration data).
| Moved within the county (past year) | 7.9% |
|---|---|
| Migration · People moving in (annual) | 136,039 |
| Migration · People moving out (annual) | 131,741 |
| Migration · Net migration (in − out) | 4,298 |
| Migration · Population growing | Yes |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12
Disability
Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.
| Residents with a disability | 983 |
|---|---|
| Disability rate | 6.1% |
Other
| Congressional District · District | 2 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 47009 |
| Cdc Birth Rate · State Fips | 47 |
| Cdc Birth Rate · County Fips | 009 |
| Cdc Birth Rate · County | Blount |
| Cdc Birth Rate · Birth Rate | 22.2% |
| Cdc Birth Rate · Lower Ci | 19.90 |
| Cdc Birth Rate · Upper Ci | 24.60 |
| Cdc Mortality · Fips | 47009 |
| Cdc Mortality · County | Blount County |
| Cdc Mortality · Urban Rural | Medium metro |
| Cdc Mortality · Total Deaths 2020 2023 | 5,850 |
| Cdc Vaccination · Fips | 47009 |
| Cdc Vaccination · County | Blount County |
| Cdc Vaccination · Dose1 Pop Pct | 60.2% |
| Cdc Vaccination · Series Complete Pct | 54.0% |
| Cdc Vaccination · Booster Pct | 51.7% |
| Cdc Vaccination · Population 2019 | 133,088 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 5.80 |
| Family Score · Schools | 5 |
| Family Score · Childcare Centers | 6 |
| Family Score · Youth Sports Orgs | 1 |
| Family Score · Children Pct | 23.6% |
| Family Score · Rating | good |
| Town Summary · Key Facts | population 16,216, growing, established, upper-middle, mixed |
| Town Summary · Population | 16,216 people (vs Tennessee 63,091) |
| Town Summary · County | Blount County |
Sources: NCES school congressional district assignment · federal dataset cascade