Smyrna: Demographics & People

About 13,165 people live in Smyrna, in 4,869 households. Population grew 1.0% from 13,031 (2022) to 13,165 (2024). Median age 34.3 years. (4.5y younger than Kent County; 2.7y younger than Delaware). Children under 18 are 26% of the population. Population is 54% White (non-Hispanic) and 28% Black. The community is moderately diverse (Simpson index 0.57). 68% of households are family-led. County is gaining 4,137 residents per year (2022-2023). County health: 39% adult obesity, 15% smoke.

Population & Trend

Population grew 1.0% from 13,031 (2022) to 13,165 (2024) — about 1.7× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~13,300 (extrapolated at 0.5%/yr trend). Census Bureau Vintage estimate: 13,483.

Census data vintage2024
Population181,851 people
Annual growth rate · Population change1.0%
Annual growth rate · Population (2022)13,031
Annual growth rate · Population (2024)13,165
Annual growth rate · Population growingYes
Annual growth rate · Trend categorygrowing
Population13,165 people (vs Delaware 13,439) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate13,483

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

Age Distribution

Median age 34.3y is 4.6 years younger than the U.S. median (38.9y). Children under 18 make up 26% — above the U.S. share of ~22%.

Age Summary · Median age34.3 years (vs Delaware 37.0y)
Age Summary · Children Pct26.4%
Age Summary · Characteryoung professional
Age Summary · Total Pop13,165
Age Summary · Under 183,477
Age Summary · 18 To 343,309.0×
Age Summary · 35 To 644,074.0×
Age Summary · 65 Plus2,305
Population under 183,477
Median age34.3 years (vs Delaware 37.0y)

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

Race, Ethnicity & Diversity

Of 13,165 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.57 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.

White residents7,350
Black residents4,038
Asian residents374
Hispanic or Latino residents1,114
Diversity Index · Diversity index (Simpson)56.8%
Diversity Index · Diversity labelmoderately diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share57.1%
Asian population1.3% (vs Delaware 2.9%)
Black population28.0% (vs Delaware 26.7%)
Hispanic or Latino population11.8% (vs Delaware 10.7%)
White (non-Hispanic) population53.9% (vs Delaware 51.8%)

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 (8)

(unnamed)
Black
(unnamed)
Irish
(unnamed)
German
(unnamed)
Hispanic Total
(unnamed)
Polish
(unnamed)
English
(unnamed)
Italian
(unnamed)
American

Citizenship & Origin

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

Residents born in this state7,440
Residents born in another state4,380
Share born in this state56.5%
Share born in another state43.5%
Total foreign-born residents657
From Europe32
From Africa475
From Latin America146

Households & Family Composition

4,869 households. Averaging 2.6 people each — larger than the U.S. average of 2.5. 68% are family households — above the U.S. share of ~65%. Of 3,238 families, 34% are married couples with children.

Children under 183,431
Total families3,238
Married couples with children1,095
Single-parent households147
Average household size2.64
Women who gave birth (past year)13.0%
Grandparents living with grandchildren162
Grandparents responsible for grandchildren8
Family households3,336 households (vs Delaware 3,428)
Households that are families68.5% (vs Delaware 58.6%)
Total households4,869 households (vs Delaware 5,560) 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. 12.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 4,137 residents per year on net (IRS migration data).

Moved within the county (past year)12.6%
Migration · People moving in (annual)173,087
Migration · People moving out (annual)168,950
Migration · Net migration (in − out)4,137
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 disability805
Disability rate6.4%

Group Quarters

Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 153 residents live in group quarters (1.2% of population).

Living in group quarters153

Other

Congressional District · Congress118th
Cdc Birth Rate · Fips10001
Cdc Birth Rate · State Fips10
Cdc Birth Rate · County Fips001
Cdc Birth Rate · CountyKent
Cdc Birth Rate · Birth Rate15.1%
Cdc Birth Rate · Lower Ci13.60
Cdc Birth Rate · Upper Ci16.70
Cdc Mortality · Fips10001
Cdc Mortality · CountyKent County
Cdc Mortality · Urban RuralSmall metro
Cdc Mortality · Total Deaths 2020 20237,347
Cdc Vaccination · Fips10001
Cdc Vaccination · CountyKent County
Cdc Vaccination · Dose1 Pop Pct69.0%
Cdc Vaccination · Series Complete Pct59.2%
Cdc Vaccination · Booster Pct49.9%
Cdc Vaccination · Population 2019180,786
Cdc Vaccination · Metro StatusMetro
Family Score · Score6.90
Family Score · Schools6
Family Score · Childcare Centers8
Family Score · Youth Sports Orgs1
Family Score · Children Pct26.4%
Family Score · Ratinggood
Town Summary · Key Factspopulation 13,165, growing, young professional, middle-class, mixed
Town Summary · Population13,165 people (vs Delaware 13,439)
Town Summary · CountyKent County

Sources: NCES school congressional district assignment · federal dataset cascade