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Copan: Demographics & People

772 people call Copan home, in 443 households. Population grew 1.7% from 759 (2022) to 772 (2024). Median age 55.4 years. (16.2y older than Washington County; 20.2y older than Oklahoma). Children under 18 are 14% of the population. Population is 75% White (non-Hispanic) and 2% Hispanic or Latino. 32% of households are family-led. County is gaining 436 residents per year (2022-2023). County health: 42% adult obesity, 20% smoke.

Population & Trend

Population grew 1.7% from 759 (2022) to 772 (2024) — about 2.9× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~785 (extrapolated at 0.9%/yr trend). Census Bureau Vintage estimate: 803.

Census data vintage2024
Population52,455 people
Annual growth rate · Population change1.7%
Annual growth rate · Population (2022)759
Annual growth rate · Population (2024)772
Annual growth rate · Population growingYes
Annual growth rate · Trend categorygrowing
Population772 people (vs Oklahoma 63,420) population: 4 observations from 2026-04-17 to 2026-04-28
Population Estimate803

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

Age Distribution

Median age 55.4y is 16.5 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 age55.4 years (vs Oklahoma 35.2y)
Age Summary · Children Pct13.7%
Age Summary · Characterretirement community
Age Summary · Total Pop772
Age Summary · Under 18106
Age Summary · 18 To 34109.0×
Age Summary · 35 To 64288.0×
Age Summary · 65 Plus269
Population under 18106
Median age55.4 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 772 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).

White residents570
Black residents5
Asian residents7
Hispanic or Latino residents23
Diversity Index · Simpson Index40.7%
Diversity Index · Interpretationmoderately diverse
Asian population0.8% (vs Oklahoma 3.2%)
Black population0.6% (vs Oklahoma 5.5%)
Hispanic or Latino population2.2% (vs Oklahoma 12.3%)
White (non-Hispanic) population75.3% (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)
American
(unnamed)
German
(unnamed)
Irish
(unnamed)
English
(unnamed)
Hispanic Total
(unnamed)
Puerto Rican
(unnamed)
Asian
(unnamed)
Black

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 0.9% are foreign-born — below the U.S. average of 13.9%. 0% have naturalized to U.S. citizenship.

Residents born in this state535
Residents born in another state226
Share born in this state69.3%
Share born in another state30.7%
Native-born U.S. citizens29.3%
Foreign-born residents0.9%
Naturalized citizens0.5%
Total foreign-born residents10
From Africa7

Households & Family Composition

443 households. Averaging 1.8 people each — smaller than the U.S. average of 2.5. 32% are family households — below the U.S. share of ~65%. Of 148 families, 21% are married couples with children.

Children under 18112
Total families148
Married couples with children31
Average household size1.75
Women who gave birth (past year)10.0%
Grandparents living with grandchildren592
Grandparents responsible for grandchildren199
Family households143 households (vs Oklahoma 16,590)
Households that are families32.3% (vs Oklahoma 61.1%)
Total households443 households (vs Oklahoma 23,671) total_households: 2 observations from 2026-04-23 to 2026-04-23

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

Residential Stability & Migration

How long residents have lived here and where they came from. 4.7% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 436 residents per year on net (IRS migration data).

Moved within the county (past year)4.7%
Migration · People moving in (annual)48,316
Migration · People moving out (annual)47,880
Migration · Net migration (in − out)436
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 disability59
Disability rate6.7%

Other

Congressional District · District1
Congressional District · Congress118th
Cdc Birth Rate · Fips40147
Cdc Birth Rate · State Fips40
Cdc Birth Rate · County Fips147
Cdc Birth Rate · CountyWashington
Cdc Birth Rate · Birth Rate22.2%
Cdc Birth Rate · Lower Ci18.90
Cdc Birth Rate · Upper Ci25.90
Cdc Mortality · Fips40147
Cdc Mortality · CountyWashington County
Cdc Mortality · Urban RuralMicropolitan
Cdc Mortality · Total Deaths 2020 20232,876
Cdc Vaccination · Fips40147
Cdc Vaccination · CountyWashington County
Cdc Vaccination · Dose1 Pop Pct59.6%
Cdc Vaccination · Series Complete Pct46.7%
Cdc Vaccination · Booster Pct44.0%
Cdc Vaccination · Population 201951,527
Cdc Vaccination · Metro StatusNon-metro
Family Score · Score2.00
Family Score · Schools2
Family Score · Children Pct13.7%
Family Score · Ratinglimited
Town Summary · Key Factspopulation 772, growing, retirement community, lower-income, mixed
Town Summary · Population772 people (vs Oklahoma 63,420)
Town Summary · CountyWashington County

Sources: NCES school congressional district assignment · federal dataset cascade