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Chattahoochee Hills: Demographics & People

About 3,782 people live in Chattahoochee Hills, in 1,390 households. Population grew 6.9% from 3,537 (2022) to 3,782 (2024). Median age 47.3 years. (10.9y older than Fulton County; 11.7y older than Georgia). Children under 18 are 22% of the population. Population is 68% White (non-Hispanic) and 23% Black. 72% of households are family-led. County is gaining 5,663 residents per year (2022-2023). County health: 44% adult obesity, 14% smoke.

Population & Trend

Population grew 6.9% from 3,537 (2022) to 3,782 (2024) — about 11.6× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~4,048 (extrapolated at 3.5%/yr trend). Census Bureau Vintage estimate: 4,422.

Census data vintage2024
Population146,158 people
Annual growth rate · Population change6.9%
Annual growth rate · Population (2022)3,537
Annual growth rate · Population (2024)3,782
Annual growth rate · Population growingYes
Annual growth rate · Trend categorybooming
Population3,782 people (vs Georgia 37,381)
Population Estimate4,422

Sources: Census ACS 5-Year 2023, Table B01003  ·  Refreshed 2026-04-12

Age Distribution

Median age 47.3y is 8.4 years older than the U.S. median (38.9y). Children under 18 make up 22% — near the U.S. share of ~22%.

Age Summary · Median age47.3 years (vs Georgia 35.6y)
Age Summary · Children Pct21.9%
Age Summary · Characterestablished
Age Summary · Total Pop3,782
Age Summary · Under 18828
Age Summary · 18 To 34557.0×
Age Summary · 35 To 641,679.0×
Age Summary · 65 Plus718
Population under 18828
Median age47.3 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 3,782 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).

White residents2,349
Black residents1,015
Hispanic or Latino residents416
Diversity Index · Simpson Index53.0%
Diversity Index · Interpretationmoderately diverse
Black population22.6% (vs Georgia 40.5%)
Hispanic or Latino population5.9% (vs Georgia 8.4%)
White (non-Hispanic) population68.1% (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)

(unnamed)
English
(unnamed)
Black
(unnamed)
Irish
(unnamed)
Hispanic Total
(unnamed)
American
(unnamed)
German
(unnamed)
Italian
(unnamed)
Puerto Rican

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 4.4% are foreign-born — below the U.S. average of 13.9%. 3% have naturalized to U.S. citizenship.

Residents born in this state1,943
Residents born in another state1,564
Share born in this state51.4%
Share born in another state48.6%
Native-born U.S. citizens41.4%
Foreign-born residents4.4%
Naturalized citizens2.9%
Total foreign-born residents102
From Europe17

Households & Family Composition

1,390 households. Averaging 2.8 people each — larger than the U.S. average of 2.5. 72% are family households — above the U.S. share of ~65%. Of 834 families, 21% are married couples with children.

Children under 181,005
Total families834
Married couples with children177
Average household size2.77
Women who gave birth (past year)4.6%
Grandparents living with grandchildren433
Grandparents responsible for grandchildren280
Family households1,000 households (vs Georgia 8,896)
Households that are families71.9% (vs Georgia 60.1%)
Total households1,390 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. 11.5% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 5,663 residents per year on net (IRS migration data).

Moved within the county (past year)11.5%
Migration · People moving in (annual)153,644
Migration · People moving out (annual)147,981
Migration · Net migration (in − out)5,663
Migration · Population growingYes
Migration · Year2022-2023

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 disability273
Disability rate8.3%

Other

Congressional District · District13
Congressional District · FormattedGA-13
Congressional District · Congress118th
Cdc Birth Rate · Fips13077
Cdc Birth Rate · State Fips13
Cdc Birth Rate · County Fips077
Cdc Birth Rate · CountyCoweta
Cdc Birth Rate · Birth Rate14.5%
Cdc Birth Rate · Lower Ci12.90
Cdc Birth Rate · Upper Ci16.20
Cdc Mortality · Fips13077
Cdc Mortality · CountyCoweta County
Cdc Mortality · Urban RuralLarge fringe metro
Cdc Mortality · Total Deaths 2020 20234,750
Cdc Vaccination · Fips13077
Cdc Vaccination · CountyCoweta County
Cdc Vaccination · Dose1 Pop Pct52.4%
Cdc Vaccination · Series Complete Pct46.2%
Cdc Vaccination · Booster Pct45.3%
Cdc Vaccination · Population 2019148,509
Cdc Vaccination · Metro StatusMetro
Family Score · Score10
Family Score · Schools20
Family Score · Childcare Centers1
Family Score · Children Pct21.9%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 3,782, booming, established, affluent, white collar
Town Summary · Population3,782 people (vs Georgia 37,381)
Town Summary · CountyCoweta County

Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade