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Manchester: Demographics & People

Census counts 143 people in Manchester, in 61 households. Population shrank 7.7% from 155 (2022) to 143 (2024). Median age 41.9 years. (1.3y younger than Grant County; 6.7y older than Oklahoma). Children under 18 are 26% of the population. Population is 99% White (non-Hispanic) and 1% Asian. 80% of households are family-led. County health: 45% adult obesity, 22% smoke.

Population & Trend

Population shrank 7.7% from 155 (2022) to 143 (2024). Estimated 2026 population: ~132 (extrapolated at -3.9%/yr trend). Census Bureau Vintage estimate: 118.

Census data vintage2024
Population4,169 people
Annual growth rate · Population change-7.7%
Annual growth rate · Population (2022)155
Annual growth rate · Population (2024)143
Annual growth rate · Trend categoryshrinking
Population143 people (vs Oklahoma 63,420) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate118

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

Age Distribution

Median age 41.9y is 3.0 years older than the U.S. median (38.9y). Children under 18 make up 26% — above the U.S. share of ~22%.

Age Summary · Median age41.9 years (vs Oklahoma 35.2y)
Age Summary · Children Pct25.9%
Age Summary · Characterestablished
Age Summary · Total Pop143
Age Summary · Under 1837
Age Summary · 18 To 3410.0×
Age Summary · 35 To 6478.0×
Age Summary · 65 Plus18
Population under 1837
Median age41.9 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 143 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).

White residents152
Asian residents2
Diversity Index · Simpson Index-0.13
Diversity Index · Interpretationless diverse
Asian population0.7% (vs Oklahoma 3.2%)
White (non-Hispanic) population98.6% (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 (6)

(unnamed)
German
(unnamed)
Polish
(unnamed)
English
(unnamed)
Irish
(unnamed)
Asian
(unnamed)
Italian

Citizenship & Origin

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

Residents born in this state43
Residents born in another state99
Share born in this state30.1%
Share born in another state69.9%
Native-born U.S. citizens69.2%
Naturalized citizens0.7%
Total foreign-born residents3
From Africa3

Households & Family Composition

61 households. Averaging 2.8 people each — larger than the U.S. average of 2.5. 80% are family households — above the U.S. share of ~65%. Of 43 families, 33% are married couples with children.

Children under 1851
Total families43
Married couples with children14
Average household size2.77
Grandparents living with grandchildren73
Grandparents responsible for grandchildren20
Family households49 households (vs Oklahoma 16,590)
Households that are families80.3% (vs Oklahoma 61.1%)
Total households61 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.

Migration · People moving in (annual)3,540
Migration · People moving out (annual)3,565
Migration · Net migration (in − out)-25
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 disability15
Disability rate10.9%

Other

Congressional District · District3
Congressional District · FormattedOK-03
Congressional District · Congress118th
Cdc Birth Rate · Fips40053
Cdc Birth Rate · State Fips40
Cdc Birth Rate · County Fips053
Cdc Birth Rate · CountyGrant
Cdc Birth Rate · Birth Rate25.6%
Cdc Birth Rate · Lower Ci15.80
Cdc Birth Rate · Upper Ci39.30
Cdc Mortality · Fips40053
Cdc Mortality · CountyGrant County
Cdc Mortality · Urban RuralNoncore
Cdc Mortality · Total Deaths 2020 2023144
Cdc Vaccination · Fips40053
Cdc Vaccination · CountyGrant County
Cdc Vaccination · Dose1 Pop Pct50.7%
Cdc Vaccination · Series Complete Pct43.6%
Cdc Vaccination · Booster Pct42.4%
Cdc Vaccination · Population 20194,333
Cdc Vaccination · Metro StatusNon-metro
Family Score · Score4.50
Family Score · Schools7
Family Score · Children Pct25.9%
Family Score · Ratingfair
Town Summary · Key Factspopulation 143, shrinking, established, upper-middle, mixed
Town Summary · Population143 people (vs Oklahoma 63,420)
Town Summary · CountyGrant County

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