Demographics & People

Miami's population stands at 459,745 people, in 194,821 households. Population grew 2.9% from 446,663 (2022) to 459,745 (2024). Median age 39.3 years. (1.4y younger than Miami-Dade County; 3.3y younger than Florida). Children under 18 are 16% of the population. Population is 72% Hispanic or Latino and 12% White (non-Hispanic). The community is moderately diverse (Simpson index 0.56). 53% of households are family-led. County is losing 122,630 residents per year (2022-2023). County health: 30% adult obesity, 13% smoke.

2.4 people per household (vs Florida avg 2.6).
47% non-family households (singles, roommates) (vs Florida 35%).
48 dependents per 100 working-age (youth + seniors / 18-64) (vs Florida 69).

Population & Trend

Population grew 2.9% from 446,663 (2022) to 459,745 (2024) — about 4.9× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~473,314 (extrapolated at 1.5%/yr trend). Census Bureau Vintage estimate: 491,797.

Census data vintage	2024
County Population	2,701,767 people
Annual growth rate · Population change	2.9%
Annual growth rate · Population (2022)	446,663
Annual growth rate · Population (2024)	459,745
Annual growth rate · Population growing	Yes
Annual growth rate · Trend category	growing
Population	459,745 people (vs Florida 58,838)
Population Estimate	491,797

Sources: U.S. Census Bureau, ACS 5-Year · U.S. Census Bureau, ACS 5-Year DP05 · U.S. Census Bureau, Vintage Population Estimates · Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12

Age Distribution

Median age 39.3y is 0.4 years older than the U.S. median (38.9y). Children under 18 make up 16% — below the U.S. share of ~22%.

Age Summary · Median age	39.3 years (vs Florida 40.9y)
Age Summary · Children Pct	16.5%
Age Summary · Character	family-oriented
Age Summary · Total Pop	459,745
Age Summary · Under 18	76,010
Age Summary · 18 To 34	118,840
Age Summary · 35 To 64	191,568
Age Summary · 65 Plus	73,327
Median age	39.3 years (vs Florida 40.9y)

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

Race, Ethnicity & Diversity

Of 459,745 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.56 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.

Diversity Index · Diversity index (Simpson)	55.9%
Diversity Index · Diversity label	moderately diverse
Diversity Index · Groups counted	4
Diversity Index · Largest group share	58.9%
Asian population	1.6% (vs Florida 2.5%)
Black population	11.9% (vs Florida 13.0%)
Hispanic or Latino population	71.5% (vs Florida 23.4%)
White (non-Hispanic) population	12.1% (vs Florida 46.8%)

Sources: U.S. Census Bureau, ACS 5-Year DP05 · 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 (1)

(unnamed)

Hispanic Total

Sources: Census ACS 2022 B04006+B03001+B02001

Households & Family Composition

194,821 households. Averaging 2.3 people each — smaller than the U.S. average of 2.5. 53% are family households — below the U.S. share of ~65%. Of 102,628 families, 19% are married couples with children.

Family households	103,568 households (vs Florida 15,074)
Households that are families	53.2% (vs Florida 64.6%)
Total households	194,821 households (vs Florida 22,144)

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

Residential Stability & Migration

How long residents have lived here and where they came from. 16.2% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 122,630 residents per year on net (IRS migration data).

Migration · People moving in (annual)	2,250,432
Migration · People moving out (annual)	2,373,062
Migration · Net migration (in − out)	-122,630

Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12