Milford: Demographics & People

Milford is home to 12,803 people, in 5,560 households. Population grew 5.0% from 12,193 (2022) to 12,803 (2024). Median age 41.9 years. (3.1y older than Kent County; 4.9y older than Delaware). Children under 18 are 23% of the population. Population is 54% White (non-Hispanic) and 20% Black. The community is highly diverse (Simpson index 0.61). 52% 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 5.0% from 12,193 (2022) to 12,803 (2024) — about 8.3× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~13,451 (extrapolated at 2.5%/yr trend). Census Bureau Vintage estimate: 14,346.

Census data vintage2024
Population181,851 people
Annual growth rate · Population change5.0%
Annual growth rate · Population (2022)12,193
Annual growth rate · Population (2024)12,803
Annual growth rate · Population growingYes
Annual growth rate · Trend categorygrowing
Population12,803 people (vs Delaware 13,439) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate14,346

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

Age Distribution

Median age 41.9y is 3.0 years older than the U.S. median (38.9y). Children under 18 make up 23% — near the U.S. share of ~22%.

Age Summary · Median age41.9 years (vs Delaware 37.0y)
Age Summary · Children Pct23.0%
Age Summary · Characterestablished
Age Summary · Total Pop12,803
Age Summary · Under 182,942
Age Summary · 18 To 342,454.0×
Age Summary · 35 To 644,459.0×
Age Summary · 65 Plus2,948
Population under 182,942
Median age41.9 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 12,803 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.61 (0 = single group, 1 = perfectly even distribution); this is read as highly diverse.

White residents6,373
Black residents3,010
Asian residents563
Hispanic or Latino residents1,800
Diversity Index · Diversity index (Simpson)61.4%
Diversity Index · Diversity labelhighly diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share54.3%
Asian population4.6% (vs Delaware 2.9%)
Black population19.5% (vs Delaware 26.7%)
Hispanic or Latino population16.5% (vs Delaware 10.7%)
White (non-Hispanic) population53.7% (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)
Hispanic Total
(unnamed)
Irish
(unnamed)
American
(unnamed)
German
(unnamed)
Italian
(unnamed)
English
(unnamed)
Puerto Rican

Citizenship & Origin

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

Residents born in this state5,055
Residents born in another state5,245
Share born in this state39.5%
Share born in another state60.5%
Total foreign-born residents2,108
From Europe255
From Africa429
From Latin America24

Households & Family Composition

5,560 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 2,616 families, 19% are married couples with children.

Children under 182,742
Total families2,616
Married couples with children499
Single-parent households355
Average household size2.26
Women who gave birth (past year)19.9%
Grandparents living with grandchildren71
Grandparents responsible for grandchildren43
Family households2,900 households (vs Delaware 3,428)
Households that are families52.2% (vs Delaware 58.6%)
Total households5,560 households (at Delaware median) 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. 9.7% 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)9.7%
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 disability800
Disability rate7.0%

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. 264 residents live in group quarters (2.1% of population).

Living in group quarters264

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 · Score6.00
Family Score · Schools5
Family Score · Childcare Centers5
Family Score · Youth Sports Orgs2
Family Score · Children Pct23.0%
Family Score · Ratinggood
Town Summary · Key Factspopulation 12,803, growing, established, middle-class, mixed
Town Summary · Population12,803 people (vs Delaware 13,439)
Town Summary · CountyKent County

Sources: NCES school congressional district assignment · federal dataset cascade