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Lamar: Demographics & People

Lamar's population stands at 160 people, in 54 households. Population shrank 3.6% from 166 (2022) to 160 (2024). Median age 46.5 years. (7.7y older than Hughes County; 11.3y older than Oklahoma). Children under 18 are 20% of the population. Population is 64% White (non-Hispanic) and 6% Hispanic or Latino. The community is somewhat diverse (Simpson index 0.22). 74% of households are family-led. County is gaining 341 residents per year (2022-2023). County health: 48% adult obesity, 22% smoke.

Population & Trend

Population shrank 3.6% from 166 (2022) to 160 (2024). Estimated 2026 population: ~154 (extrapolated at -1.8%/yr trend). Census Bureau Vintage estimate: 146.

Census data vintage2024
Population13,367 people
Annual growth rate · Population change-3.6%
Annual growth rate · Population (2022)166
Annual growth rate · Population (2024)160
Annual growth rate · Trend categorydeclining
Population160 people (vs Oklahoma 63,420) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate146

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

Age Distribution

Median age 46.5y is 7.6 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 age46.5 years (vs Oklahoma 35.2y)
Age Summary · Children Pct20.0%
Age Summary · Characterestablished
Age Summary · Total Pop160
Age Summary · Under 1832
Age Summary · 18 To 3427.0×
Age Summary · 35 To 6464.0×
Age Summary · 65 Plus37
Population under 1832
Median age46.5 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 160 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.22 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.

White residents107
Hispanic or Latino residents15
Diversity Index · Diversity index (Simpson)21.6%
Diversity Index · Diversity labelsomewhat diverse
Diversity Index · Groups counted2
Diversity Index · Largest group share87.7%
Hispanic or Latino population5.6% (vs Oklahoma 12.3%)
White (non-Hispanic) population63.8% (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 (5)

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

Citizenship & Origin

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

Residents born in this state108
Residents born in another state50
Share born in this state67.5%
Share born in another state32.5%
Native-born U.S. citizens31.3%
Naturalized citizens1.3%
Total foreign-born residents8

Households & Family Composition

54 households. Averaging 3.2 people each — larger than the U.S. average of 2.5. 74% are family households — above the U.S. share of ~65%. Of 37 families, 30% are married couples with children.

Children under 1837
Total families37
Married couples with children11
Average household size3.25
Women who gave birth (past year)29.9%
Grandparents living with grandchildren5
Grandparents responsible for grandchildren1
Family households40 households (vs Oklahoma 16,590)
Households that are families74.1% (vs Oklahoma 61.1%)
Total households54 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. 1.3% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 341 residents per year on net (IRS migration data).

Moved within the county (past year)1.3%
Migration · People moving in (annual)10,182
Migration · People moving out (annual)9,841
Migration · Net migration (in − out)341
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 disability19
Disability rate9.5%

Other

Congressional District · District2
Congressional District · FormattedOK-02
Congressional District · Congress118th
Cdc Birth Rate · Fips40063
Cdc Birth Rate · State Fips40
Cdc Birth Rate · County Fips063
Cdc Birth Rate · CountyHughes
Cdc Birth Rate · Birth Rate52.0%
Cdc Birth Rate · Lower Ci42.10
Cdc Birth Rate · Upper Ci63.40
Cdc Mortality · Fips40063
Cdc Mortality · CountyHughes County
Cdc Mortality · Urban RuralNoncore
Cdc Mortality · Total Deaths 2020 2023547
Cdc Vaccination · Fips40063
Cdc Vaccination · CountyHughes County
Cdc Vaccination · Dose1 Pop Pct56.4%
Cdc Vaccination · Series Complete Pct48.1%
Cdc Vaccination · Booster Pct41.8%
Cdc Vaccination · Population 201913,279
Cdc Vaccination · Metro StatusNon-metro
Family Score · Score9.00
Family Score · Schools16
Family Score · Children Pct20.0%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 160, declining, established, working-class, blue collar
Town Summary · Population160 people (vs Oklahoma 63,420)
Town Summary · CountyHughes County

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