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Union City: Demographics & People

1,722 people call Union City home, in 482 households. Population grew 7.4% from 1,603 (2022) to 1,722 (2024). Median age 41.4 years. (5.1y older than Canadian County; 6.2y older than Oklahoma). Children under 18 are 20% of the population. Population is 72% White (non-Hispanic) and 11% Hispanic or Latino. 82% of households are family-led. County is gaining 11,673 residents per year (2022-2023). County health: 42% adult obesity, 13% smoke.

Population & Trend

Population grew 7.4% from 1,603 (2022) to 1,722 (2024) — about 12.4× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~1,852 (extrapolated at 3.7%/yr trend). Census Bureau Vintage estimate: 2,034.

Census data vintage2024
Population154,405 people
Annual growth rate · Population change7.4%
Annual growth rate · Population (2022)1,603
Annual growth rate · Population (2024)1,722
Annual growth rate · Population growingYes
Annual growth rate · Trend categorybooming
Population1,722 people (vs Oklahoma 63,420) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate2,034

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

Age Distribution

Median age 41.4y is 2.5 years older than the U.S. median (38.9y). Children under 18 make up 20% — below the U.S. share of ~22%.

Age Summary · Median age41.4 years (vs Oklahoma 35.2y)
Age Summary · Children Pct19.9%
Age Summary · Characterestablished
Age Summary · Total Pop1,722
Age Summary · Under 18342
Age Summary · 18 To 34310.0×
Age Summary · 35 To 64834.0×
Age Summary · 65 Plus236
Population under 18342
Median age41.4 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 1,722 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).

White residents1,198
Black residents107
Asian residents48
Hispanic or Latino residents151
Diversity Index · Simpson Index48.8%
Diversity Index · Interpretationmoderately diverse
Asian population1.9% (vs Oklahoma 3.2%)
Black population6.9% (vs Oklahoma 5.5%)
Hispanic or Latino population11.4% (vs Oklahoma 12.3%)
White (non-Hispanic) population71.5% (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)
English
(unnamed)
German
(unnamed)
American
(unnamed)
Irish
(unnamed)
Black
(unnamed)
Hispanic Total
(unnamed)
Puerto Rican
(unnamed)
Asian

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 1.3% are foreign-born — below the U.S. average of 13.9%. 4% have naturalized to U.S. citizenship.

Residents born in this state1,184
Residents born in another state449
Share born in this state68.8%
Share born in another state31.2%
Native-born U.S. citizens26.1%
Foreign-born residents1.3%
Naturalized citizens3.8%
Total foreign-born residents10
From Africa1

Households & Family Composition

482 households. Averaging 3.1 people each — larger than the U.S. average of 2.5. 82% are family households — above the U.S. share of ~65%. Of 366 families, 33% are married couples with children.

Children under 18359
Total families366
Married couples with children119
Single-parent households9
Average household size3.10
Women who gave birth (past year)7.3%
Grandparents living with grandchildren40
Grandparents responsible for grandchildren17
Family households397 households (vs Oklahoma 16,590)
Households that are families82.4% (vs Oklahoma 61.1%)
Total households482 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 11,673 residents per year on net (IRS migration data).

Moved within the county (past year)22.5%
Migration · People moving in (annual)174,400
Migration · People moving out (annual)162,727
Migration · Net migration (in − out)11,673
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 disability98
Disability rate8.8%

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. 221 residents live in group quarters (12.8% of population).

Living in group quarters221

Other

Congressional District · District3
Congressional District · Congress118th
Cdc Birth Rate · Fips40017
Cdc Birth Rate · State Fips40
Cdc Birth Rate · County Fips017
Cdc Birth Rate · CountyCanadian
Cdc Birth Rate · Birth Rate15.8%
Cdc Birth Rate · Lower Ci14.10
Cdc Birth Rate · Upper Ci17.70
Cdc Mortality · Fips40017
Cdc Mortality · CountyCanadian County
Cdc Mortality · Urban RuralLarge fringe metro
Cdc Mortality · Total Deaths 2020 20232,785
Cdc Vaccination · Fips40017
Cdc Vaccination · CountyCanadian County
Cdc Vaccination · Dose1 Pop Pct76.1%
Cdc Vaccination · Series Complete Pct61.9%
Cdc Vaccination · Booster Pct41.6%
Cdc Vaccination · Population 2019148,306
Cdc Vaccination · Metro StatusMetro
Family Score · Score2.00
Family Score · Schools2
Family Score · Children Pct19.9%
Family Score · Ratinglimited
Town Summary · Key Factspopulation 1,722, booming, established, affluent, mixed
Town Summary · Population1,722 people (vs Oklahoma 63,420)
Town Summary · CountyCanadian County

Sources: NCES school congressional district assignment · federal dataset cascade