St. Simons: Demographics & People
Census counts 16,228 people in St. Simons, in 7,829 households. Population grew 1.3% from 16,026 (2022) to 16,228 (2024). Median age 59.1 years. (15.7y older than Glynn County; 23.5y older than Georgia). Children under 18 are 14% of the population. Population is 92% White (non-Hispanic) and 3% Hispanic or Latino. 67% of households are family-led. County is gaining 1,934 residents per year (2022-2023). County health: 36% adult obesity, 14% smoke.
- 2.1 people per household (vs Georgia avg 2.6).
- 33% non-family households (singles, roommates) (vs Georgia 40%).
- 107 dependents per 100 working-age (youth + seniors / 18-64) (vs Georgia 62).
Population & Trend
Population grew 1.3% from 16,026 (2022) to 16,228 (2024) — about 2.1× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~16,433 (extrapolated at 0.6%/yr trend). Census Bureau Vintage estimate: 16,709.
| Census data vintage | 2024 |
|---|---|
| Population | 84,499 people |
| Annual growth rate · Population change | 1.3% |
| Annual growth rate · Population (2022) | 16,026 |
| Annual growth rate · Population (2024) | 16,228 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 16,228 people (vs Georgia 37,381) |
| Population Estimate | 16,709 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 59.1y is 20.2 years older than the U.S. median (38.9y). Children under 18 make up 14% — below the U.S. share of ~22%.
| Age Summary · Median age | 59.1 years (vs Georgia 35.6y) |
|---|---|
| Age Summary · Children Pct | 13.9% |
| Age Summary · Character | retirement community |
| Age Summary · Total Pop | 16,228 |
| Age Summary · Under 18 | 2,262 |
| Age Summary · 18 To 34 | 1,944.0× |
| Age Summary · 35 To 64 | 5,889.0× |
| Age Summary · 65 Plus | 6,133 |
| Population under 18 | 2,262 |
| Median age | 59.1 years (vs Georgia 35.6y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 16,228 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 14,965 |
|---|---|
| Black residents | 280 |
| Asian residents | 71 |
| Hispanic or Latino residents | 466 |
| Diversity Index · Simpson Index | 14.8% |
| Diversity Index · Interpretation | less diverse |
| Asian population | 1.0% (vs Georgia 2.6%) |
| Black population | 1.1% (vs Georgia 40.5%) |
| Hispanic or Latino population | 3.2% (vs Georgia 8.4%) |
| White (non-Hispanic) population | 92.1% (vs Georgia 38.1%) |
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). 0.5% are foreign-born — below the U.S. average of 13.9%. 4% have naturalized to U.S. citizenship.
| Residents born in this state | 7,079 |
|---|---|
| Residents born in another state | 8,371 |
| Share born in this state | 43.6% |
| Share born in another state | 56.4% |
| Native-born U.S. citizens | 51.6% |
| Foreign-born residents | 0.5% |
| Naturalized citizens | 4.3% |
| Total foreign-born residents | 573 |
| From Europe | 203 |
| From Africa | 107 |
Households & Family Composition
7,829 households. Averaging 2.1 people each — smaller than the U.S. average of 2.5. 67% are family households — near the U.S. share of ~65%. Of 5,057 families, 17% are married couples with children.
| Children under 18 | 2,193 |
|---|---|
| Total families | 5,057 |
| Married couples with children | 840 |
| Average household size | 2.12 |
| Women who gave birth (past year) | 10.6% |
| Grandparents living with grandchildren | 143 |
| Grandparents responsible for grandchildren | 63 |
| Family households | 5,226 households (vs Georgia 8,896) |
| Households that are families | 66.8% (vs Georgia 60.1%) |
| Total households | 7,829 households (vs Georgia 14,704) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 10.8% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 1,934 residents per year on net (IRS migration data).
| Moved within the county (past year) | 10.8% |
|---|---|
| Migration · People moving in (annual) | 77,417 |
| Migration · People moving out (annual) | 75,483 |
| Migration · Net migration (in − out) | 1,934 |
| 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 | 956 |
|---|---|
| Disability rate | 6.1% |
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 114 residents live in group quarters (0.7% of population).
| Living in group quarters | 114 |
|---|
Other
| Congressional District · District | 1 |
|---|---|
| Congressional District · Formatted | GA-01 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 13127 |
| Cdc Birth Rate · State Fips | 13 |
| Cdc Birth Rate · County Fips | 127 |
| Cdc Birth Rate · County | Glynn |
| Cdc Birth Rate · Birth Rate | 27.0% |
| Cdc Birth Rate · Lower Ci | 24.00 |
| Cdc Birth Rate · Upper Ci | 30.20 |
| Cdc Mortality · Fips | 13127 |
| Cdc Mortality · County | Glynn County |
| Cdc Mortality · Urban Rural | Small metro |
| Cdc Mortality · Total Deaths 2020 2023 | 4,484 |
| Cdc Vaccination · Fips | 13127 |
| Cdc Vaccination · County | Glynn County |
| Cdc Vaccination · Dose1 Pop Pct | 60.7% |
| Cdc Vaccination · Series Complete Pct | 53.2% |
| Cdc Vaccination · Booster Pct | 45.0% |
| Cdc Vaccination · Population 2019 | 85,292 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 16 |
| Family Score · Childcare Centers | 9 |
| Family Score · Children Pct | 13.9% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 16,228, growing, retirement community, affluent, white collar |
| Town Summary · Population | 16,228 people (vs Georgia 37,381) |
| Town Summary · County | Glynn County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade