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Argo: Demographics & People

Argo is home to 4,479 people, in 1,693 households. Population grew 0.5% from 4,456 (2022) to 4,479 (2024). Median age 33.1 years. (8.1y younger than St. Clair County; 4.2y younger than Alabama). Children under 18 are 25% of the population. Population is 86% White (non-Hispanic) and 8% Black. 80% of households are family-led. County is losing 8,344 residents per year (2022-2023). County health: 40% adult obesity, 15% smoke.

Population & Trend

Population grew 0.5% from 4,456 (2022) to 4,479 (2024) — close to the U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~4,502 (extrapolated at 0.3%/yr trend). Census Bureau Vintage estimate: 4,533.

Census data vintage2024
Population674,721 people
Annual growth rate · Population change0.5%
Annual growth rate · Population (2022)4,456
Annual growth rate · Population (2024)4,479
Annual growth rate · Population growingYes
Annual growth rate · Trend categorystable
Population4,479 people (vs Alabama 26,673)
Population Estimate4,533

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

Age Distribution

Median age 33.1y is 5.8 years younger than the U.S. median (38.9y). Children under 18 make up 25% — above the U.S. share of ~22%.

Age Summary · Median age33.1 years (vs Alabama 37.3y)
Age Summary · Children Pct25.2%
Age Summary · Characteryoung professional
Age Summary · Total Pop4,479
Age Summary · Under 181,128
Age Summary · 18 To 341,294.0×
Age Summary · 35 To 641,687.0×
Age Summary · 65 Plus370
Population under 181,128
Median age33.1 years (vs Alabama 37.3y)

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

Race, Ethnicity & Diversity

Of 4,479 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).

White residents3,807
Black residents540
Hispanic or Latino residents150
Diversity Index · Simpson Index26.2%
Diversity Index · Interpretationless diverse
Black population8.3% (vs Alabama 28.6%)
Hispanic or Latino population1.4% (vs Alabama 4.8%)
White (non-Hispanic) population86.2% (vs Alabama 57.1%)

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

Citizenship & Origin

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

Residents born in this state3,637
Residents born in another state842
Share born in this state81.2%
Share born in another state18.8%
Native-born U.S. citizens18.8%
Total foreign-born residents102

Households & Family Composition

1,693 households. Averaging 3.0 people each — larger than the U.S. average of 2.5. 80% are family households — above the U.S. share of ~65%. Of 1,344 families, 53% are married couples with children.

Children under 181,242
Total families1,344
Married couples with children715
Average household size3.04
Women who gave birth (past year)8.5%
Grandparents living with grandchildren22
Family households1,361 households (vs Alabama 7,066)
Households that are families80.4% (vs Alabama 61.2%)
Total households1,693 households (vs Alabama 10,925)

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%. The surrounding county is losing 8,344 residents per year on net (IRS migration data).

Moved within the county (past year)3.5%
Migration · People moving in (annual)534,384
Migration · People moving out (annual)542,728
Migration · Net migration (in − out)-8,344
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 disability199
Disability rate4.5%

Other

Congressional District · District3
Congressional District · FormattedAL-03
Congressional District · Congress118th
Cdc Birth Rate · Fips01073
Cdc Birth Rate · State Fips01
Cdc Birth Rate · County Fips073
Cdc Birth Rate · CountyJefferson
Cdc Birth Rate · Birth Rate22.1%
Cdc Birth Rate · Lower Ci21.00
Cdc Birth Rate · Upper Ci23.20
Cdc Mortality · Fips01073
Cdc Mortality · CountyJefferson County
Cdc Mortality · Urban RuralLarge central metro
Cdc Mortality · Total Deaths 2020 202339,489
Cdc Vaccination · Fips01073
Cdc Vaccination · CountyJefferson County
Cdc Vaccination · Dose1 Pop Pct75.2%
Cdc Vaccination · Series Complete Pct61.4%
Cdc Vaccination · Booster Pct43.5%
Cdc Vaccination · Population 2019658,573
Cdc Vaccination · Metro StatusMetro
Family Score · Score10
Family Score · Schools20
Family Score · Children Pct25.2%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 4,479, stable, young professional, affluent, white collar
Town Summary · Population4,479 people (vs Alabama 26,673)
Town Summary · CountyJefferson County

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