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Armstrong: Demographics & People

Armstrong's population stands at 101 people, in 40 households. Population shrank 21.1% from 128 (2022) to 101 (2024). Median age 36.2 years. (0.8y younger than Bryan County; 1.0y older than Oklahoma). Children under 18 are 29% of the population. Population is 56% White (non-Hispanic) and 17% Hispanic or Latino. 60% of households are family-led. County is gaining 1,885 residents per year (2022-2023). County health: 41% adult obesity, 20% smoke.

Population & Trend

Population shrank 21.1% from 128 (2022) to 101 (2024). Estimated 2026 population: ~80 (extrapolated at -10.5%/yr trend). Census Bureau Vintage estimate: 58.

Census data vintage2024
Population46,067 people
Annual growth rate · Population change-21.1%
Annual growth rate · Population (2022)128
Annual growth rate · Population (2024)101
Annual growth rate · Trend categoryshrinking
Population101 people (vs Oklahoma 63,420) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate58

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

Age Distribution

Median age 36.2y is 2.7 years younger than the U.S. median (38.9y). Children under 18 make up 29% — above the U.S. share of ~22%.

Age Summary · Median age36.2 years (vs Oklahoma 35.2y)
Age Summary · Children Pct28.7%
Age Summary · Characterfamily-oriented
Age Summary · Total Pop101
Age Summary · Under 1829
Age Summary · 18 To 3417.0×
Age Summary · 35 To 6444.0×
Age Summary · 65 Plus11
Population under 1829
Median age36.2 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 101 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).

White residents59
Hispanic or Latino residents21
Diversity Index · Simpson Index57.2%
Diversity Index · Interpretationmoderately diverse
Hispanic or Latino population16.8% (vs Oklahoma 12.3%)
White (non-Hispanic) population56.4% (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 (7)

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

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS).

Residents born in this state50
Residents born in another state50
Share born in this state49.5%
Share born in another state50.5%
Native-born U.S. citizens49.5%
Naturalized citizens1.0%
Total foreign-born residents1,166

Households & Family Composition

40 households. Averaging 3.2 people each — larger than the U.S. average of 2.5. 60% are family households — below the U.S. share of ~65%. Of 28 families, 36% are married couples with children.

Children under 1847
Total families28
Married couples with children10
Single-parent households4
Average household size3.20
Women who gave birth (past year)8.1%
Grandparents living with grandchildren1,211
Grandparents responsible for grandchildren482
Family households24 households (vs Oklahoma 16,590)
Households that are families60.0% (vs Oklahoma 61.1%)
Total households40 households (vs Oklahoma 23,671)

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

Residential Stability & Migration

How long residents have lived here and where they came from. 2.0% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 1,885 residents per year on net (IRS migration data).

Moved within the county (past year)2.0%
Migration · People moving in (annual)41,429
Migration · People moving out (annual)39,544
Migration · Net migration (in − out)1,885
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 disability4
Disability rate3.4%

Other

Congressional District · District2
Congressional District · FormattedOK-02
Congressional District · Congress118th
Cdc Birth Rate · Fips40013
Cdc Birth Rate · State Fips40
Cdc Birth Rate · County Fips013
Cdc Birth Rate · CountyBryan
Cdc Birth Rate · Birth Rate35.8%
Cdc Birth Rate · Lower Ci31.40
Cdc Birth Rate · Upper Ci40.50
Cdc Mortality · Fips40013
Cdc Mortality · CountyBryan County
Cdc Mortality · Urban RuralMicropolitan
Cdc Mortality · Total Deaths 2020 20231,985
Cdc Vaccination · Fips40013
Cdc Vaccination · CountyBryan County
Cdc Vaccination · Dose1 Pop Pct54.6%
Cdc Vaccination · Series Complete Pct45.6%
Cdc Vaccination · Booster Pct38.0%
Cdc Vaccination · Population 201947,995
Cdc Vaccination · Metro StatusNon-metro
Family Score · Score10
Family Score · Schools20
Family Score · Children Pct28.7%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 101, shrinking, family-oriented, working-class, blue collar
Town Summary · Population101 people (vs Oklahoma 63,420)
Town Summary · CountyBryan County

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