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Afton: Demographics & People

762 people call Afton home, in 292 households. Population shrank 5.2% from 804 (2022) to 762 (2024). Median age 38.5 years. (1.3y older than Ottawa County; 3.3y older than Oklahoma). Children under 18 are 24% of the population. Population is 66% White (non-Hispanic) and 3% Asian. 63% of households are family-led. County is gaining 245 residents per year (2022-2023). County health: 44% adult obesity, 22% smoke.

Population & Trend

Population shrank 5.2% from 804 (2022) to 762 (2024). Estimated 2026 population: ~722 (extrapolated at -2.6%/yr trend). Census Bureau Vintage estimate: 672.

Census data vintage2024
Population30,285 people
Annual growth rate · Population change-5.2%
Annual growth rate · Population (2022)804
Annual growth rate · Population (2024)762
Annual growth rate · Trend categoryshrinking
Population762 people (vs Oklahoma 63,420) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate672

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

Age Distribution

Median age 38.5y is 0.4 years younger than the U.S. median (38.9y). Children under 18 make up 24% — above the U.S. share of ~22%.

Age Summary · Median age38.5 years (vs Oklahoma 35.2y)
Age Summary · Children Pct23.5%
Age Summary · Characterfamily-oriented
Age Summary · Total Pop762
Age Summary · Under 18179
Age Summary · 18 To 34157.0×
Age Summary · 35 To 64294.0×
Age Summary · 65 Plus132
Population under 18179
Median age38.5 years (vs Oklahoma 35.2y)

Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023  ·  Refreshed 2026-04-29

Race, Ethnicity & Diversity

Of 762 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).

White residents532
Asian residents20
Hispanic or Latino residents13
Diversity Index · Simpson Index44.5%
Diversity Index · Interpretationmoderately diverse
Asian population2.9% (vs Oklahoma 3.2%)
Black population0.5% (vs Oklahoma 5.5%)
Hispanic or Latino population2.1% (vs Oklahoma 12.3%)
White (non-Hispanic) population65.9% (vs Oklahoma 57.8%)

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

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 0.4% are foreign-born — below the U.S. average of 13.9%. 1% have naturalized to U.S. citizenship.

Residents born in this state431
Residents born in another state317
Share born in this state56.6%
Share born in another state43.4%
Native-born U.S. citizens41.6%
Foreign-born residents0.4%
Naturalized citizens1.4%
Total foreign-born residents11
From Africa7

Households & Family Composition

292 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 63% are family households — near the U.S. share of ~65%. Of 204 families, 19% are married couples with children.

Children under 18163
Total families204
Married couples with children39
Single-parent households7
Average household size2.51
Women who gave birth (past year)9.1%
Grandparents living with grandchildren20
Grandparents responsible for grandchildren3
Family households185 households (vs Oklahoma 16,590)
Households that are families63.4% (vs Oklahoma 61.1%)
Total households292 households (vs Oklahoma 23,671) total_households: 4 observations from 2026-04-23 to 2026-04-29

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

Residential Stability & Migration

How long residents have lived here and where they came from. 22.5% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 245 residents per year on net (IRS migration data).

Moved within the county (past year)22.5%
Migration · People moving in (annual)26,530
Migration · People moving out (annual)26,285
Migration · Net migration (in − out)245
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 disability61
Disability rate7.8%

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. 32 residents live in group quarters (4.2% of population).

Living in group quarters32

Other

Congressional District · District2
Congressional District · Congress118th
Cdc Birth Rate · Fips40115
Cdc Birth Rate · State Fips40
Cdc Birth Rate · County Fips115
Cdc Birth Rate · CountyOttawa
Cdc Birth Rate · Birth Rate35.5%
Cdc Birth Rate · Lower Ci30.50
Cdc Birth Rate · Upper Ci41.10
Cdc Mortality · Fips40115
Cdc Mortality · CountyOttawa County
Cdc Mortality · Urban RuralMicropolitan
Cdc Mortality · Total Deaths 2020 20231,240
Cdc Vaccination · Fips40115
Cdc Vaccination · CountyOttawa County
Cdc Vaccination · Dose1 Pop Pct50.1%
Cdc Vaccination · Series Complete Pct41.2%
Cdc Vaccination · Booster Pct42.1%
Cdc Vaccination · Population 201931,127
Cdc Vaccination · Metro StatusNon-metro
Family Score · Score2.50
Family Score · Schools3
Family Score · Children Pct23.5%
Family Score · Ratinglimited
Town Summary · Key Factspopulation 762, shrinking, family-oriented, middle-class, mixed
Town Summary · Population762 people (vs Oklahoma 63,420)
Town Summary · CountyOttawa County

Sources: NCES school congressional district assignment · federal dataset cascade