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Marceline: Demographics & People

Marceline is home to 2,292 people, in 783 households. Population grew 1.0% from 2,269 (2022) to 2,292 (2024). Median age 35.3 years. (6.8y younger than Linn County; 1.9y younger than Missouri). Children under 18 are 30% of the population. Population is 92% White (non-Hispanic) and 3% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.10). 69% of households are family-led. County health: 36% adult obesity, 18% smoke.

Population & Trend

Population grew 1.0% from 2,269 (2022) to 2,292 (2024) — about 1.7× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~2,315 (extrapolated at 0.5%/yr trend). Census Bureau Vintage estimate: 2,346.

Census data vintage2024
Population7,408 people
Annual growth rate · Population change1.0%
Annual growth rate · Population (2022)2,269
Annual growth rate · Population (2024)2,292
Annual growth rate · Population growingYes
Annual growth rate · Trend categorygrowing
Population2,292 people (vs Missouri 29,363)
Population Estimate2,346

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

Age Distribution

Median age 35.3y is 3.6 years younger than the U.S. median (38.9y). Children under 18 make up 30% — above the U.S. share of ~22%.

Age Summary · Median age35.3 years (vs Missouri 37.2y)
Age Summary · Children Pct29.5%
Age Summary · Characterfamily-oriented
Age Summary · Total Pop2,292
Age Summary · Under 18676
Age Summary · 18 To 34456.0×
Age Summary · 35 To 64807.0×
Age Summary · 65 Plus353
Population under 18676
Median age35.3 years (vs Missouri 37.2y)

Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023  ·  Refreshed 2026-04-29

Race, Ethnicity & Diversity

Of 2,292 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.10 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.

White residents2,154
Black residents34
Asian residents6
Hispanic or Latino residents80
Diversity Index · Diversity index (Simpson)10.1%
Diversity Index · Diversity labelrelatively homogeneous
Diversity Index · Groups counted4
Diversity Index · Largest group share94.7%
Asian population0.3% (vs Missouri 1.9%)
Black population2.4% (vs Missouri 6.6%)
Hispanic or Latino population3.4% (vs Missouri 5.3%)
White (non-Hispanic) population92.2% (vs Missouri 77.7%)

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

Citizenship & Origin

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

Residents born in this state1,735
Residents born in another state531
Share born in this state75.7%
Share born in another state24.3%
Native-born U.S. citizens23.2%
Naturalized citizens1.1%
Total foreign-born residents7
From Europe7

Households & Family Composition

783 households. Averaging 2.8 people each — larger than the U.S. average of 2.5. 69% are family households — above the U.S. share of ~65%. Of 541 families, 34% are married couples with children.

Children under 18644
Total families541
Married couples with children182
Single-parent households11
Average household size2.80
Women who gave birth (past year)15.4%
Grandparents living with grandchildren25
Grandparents responsible for grandchildren18
Family households539 households (vs Missouri 7,284)
Households that are families68.8% (vs Missouri 58.3%)
Total households783 households (vs Missouri 11,992)

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

Residential Stability & Migration

How long residents have lived here and where they came from. 3.5% moved within the county in the past year — the U.S. baseline is roughly 8–10%.

Moved within the county (past year)3.5%
Migration · People moving in (annual)6,729
Migration · People moving out (annual)6,743
Migration · Net migration (in − out)-14
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 disability184
Disability rate8.4%

Other

Congressional District · District6
Congressional District · Congress118th
Cdc Birth Rate · Fips29041
Cdc Birth Rate · State Fips29
Cdc Birth Rate · County Fips041
Cdc Birth Rate · CountyChariton
Cdc Birth Rate · Birth Rate25.5%
Cdc Birth Rate · Lower Ci17.30
Cdc Birth Rate · Upper Ci36.20
Cdc Mortality · Fips29041
Cdc Mortality · CountyChariton County
Cdc Mortality · Urban RuralNoncore
Cdc Mortality · Total Deaths 2020 2023401
Cdc Vaccination · Fips29041
Cdc Vaccination · CountyChariton County
Cdc Vaccination · Dose1 Pop Pct44.4%
Cdc Vaccination · Series Complete Pct39.6%
Cdc Vaccination · Booster Pct55.2%
Cdc Vaccination · Population 20197,426
Cdc Vaccination · Metro StatusNon-metro
Family Score · Score2.50
Family Score · Schools3
Family Score · Children Pct29.5%
Family Score · Ratinglimited
Town Summary · Key Factspopulation 2,292, growing, family-oriented, middle-class, blue collar
Town Summary · Population2,292 people (vs Missouri 29,363)
Town Summary · CountyChariton County

Sources: NCES school congressional district assignment · federal dataset cascade