Demographics & People
914,802 people call Columbus home, in 390,528 households. Population grew 0.9% from 906,480 (2022) to 914,802 (2024). Median age 33.2 years. (1.6y younger than Franklin County; 6.4y younger than Ohio). Children under 18 are 22% of the population. Population is 51% White (non-Hispanic) and 29% Black. The community is moderately diverse (Simpson index 0.59). 52% of households are family-led. County is gaining 9,607 residents per year (2022-2023). County health: 32% adult obesity, 12% smoke.
- 2.3 people per household (vs Ohio avg 2.4).
- 48% non-family households (singles, roommates) (vs Ohio 44%).
- 50 dependents per 100 working-age (youth + seniors / 18-64) (vs Ohio 67).
Population & Trend
Population grew 0.9% from 906,480 (2022) to 914,802 (2024) — about 1.5× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~923,237 (extrapolated at 0.5%/yr trend). Census Bureau Vintage estimate: 934,578.
| Census data vintage | 2024 |
|---|---|
| County Population | 214,124 people |
| Annual growth rate · Population change | 92.0% |
| Annual growth rate · Population (2022) | 906,480 |
| Annual growth rate · Population (2024) | 914,802 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | stable |
| Population | 914,802 people (vs Ohio 29,269) |
| Population Estimate | 934,578 |
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 33.2y is 5.7 years younger than the U.S. median (38.9y). Children under 18 make up 22% — near the U.S. share of ~22%.
| Age Summary · Median age | 33.2 years (vs Ohio 38.1y) |
|---|---|
| Age Summary · Children Pct | 22.0% |
| Age Summary · Character | young professional |
| Age Summary · Total Pop | 914,802 |
| Age Summary · Under 18 | 201,218 |
| Age Summary · 18 To 34 | 287,528 |
| Age Summary · 35 To 64 | 322,524 |
| Age Summary · 65 Plus | 103,532 |
| Median age | 33.2 years (vs Ohio 38.1y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 914,802 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.59 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.
| Diversity Index · Diversity index (Simpson) | 59.0% |
|---|---|
| Diversity Index · Diversity label | moderately diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 55.5% |
| Asian population | 5.9% (vs Ohio 1.9%) |
| Black population | 29.1% (vs Ohio 8.0%) |
| Hispanic or Latino population | 8.3% (vs Ohio 4.5%) |
| White (non-Hispanic) population | 50.7% (vs Ohio 77.9%) |
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)
Sources: Census ACS 2022 B04006+B03001+B02001
Households & Family Composition
390,528 households. Averaging 2.3 people each — smaller than the U.S. average of 2.5. 52% are family households — below the U.S. share of ~65%. Of 200,236 families, 25% are married couples with children.
| Family households | 202,235 households (vs Ohio 7,027) |
|---|---|
| Households that are families | 51.8% (vs Ohio 55.9%) |
| Total households | 390,528 households (vs Ohio 12,056) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 19.7% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 9,607 residents per year on net (IRS migration data).
| Migration · People moving in (annual) | 244,611 |
|---|---|
| Migration · People moving out (annual) | 235,004 |
| Migration · Net migration (in − out) | 9,607 |
| Migration · Population growing | Yes |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12