Greenwood: Demographics & People

Greenwood's population stands at 1,564 people, in 648 households. Population shrank 13.1% from 1,800 (2022) to 1,564 (2024). Median age 32.7 years. (19.2y younger than Sussex County; 4.3y younger than Delaware). Children under 18 are 27% of the population. Population is 56% White (non-Hispanic) and 31% Black. The community is highly diverse (Simpson index 0.62). 50% of households are family-led. County is gaining 17,165 residents per year (2022-2023). County health: 39% adult obesity, 16% smoke.

Population & Trend

Population shrank 13.1% from 1,800 (2022) to 1,564 (2024). Estimated 2026 population: ~1,365 (extrapolated at -6.6%/yr trend). Census Bureau Vintage estimate: 1,126.

Census data vintage2024
Population237,378 people
Annual growth rate · Population change-13.1%
Annual growth rate · Population (2022)1,800
Annual growth rate · Population (2024)1,564
Annual growth rate · Trend categoryshrinking
Population1,564 people (vs Delaware 13,439) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate1,126

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

Age Distribution

Median age 32.7y is 6.2 years younger than the U.S. median (38.9y). Children under 18 make up 27% — above the U.S. share of ~22%.

Age Summary · Median age32.7 years (vs Delaware 37.0y)
Age Summary · Children Pct26.6%
Age Summary · Characteryoung professional
Age Summary · Total Pop1,564
Age Summary · Under 18416
Age Summary · 18 To 34419.0×
Age Summary · 35 To 64570.0×
Age Summary · 65 Plus159
Population under 18416
Median age32.7 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 1,564 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.62 (0 = single group, 1 = perfectly even distribution); this is read as highly diverse.

White residents1,068
Black residents536
Asian residents12
Hispanic or Latino residents483
Diversity Index · Diversity index (Simpson)62.3%
Diversity Index · Diversity labelhighly diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share50.9%
Asian population0.4% (vs Delaware 2.9%)
Black population31.3% (vs Delaware 26.7%)
Hispanic or Latino population8.2% (vs Delaware 10.7%)
White (non-Hispanic) population55.9% (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)
Hispanic Total
(unnamed)
Black
(unnamed)
Puerto Rican
(unnamed)
English
(unnamed)
German
(unnamed)
Irish
(unnamed)
Italian
(unnamed)
American

Citizenship & Origin

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

Residents born in this state800
Residents born in another state518
Share born in this state51.2%
Share born in another state48.8%
Total foreign-born residents208
From Europe7
From Africa2

Households & Family Composition

648 households. Averaging 2.8 people each — larger than the U.S. average of 2.5. 50% are family households — below the U.S. share of ~65%. Of 330 families, 35% are married couples with children.

Children under 18524
Total families330
Married couples with children116
Single-parent households16
Average household size2.77
Women who gave birth (past year)19.9%
Grandparents living with grandchildren11
Grandparents responsible for grandchildren2
Family households325 households (vs Delaware 3,428)
Households that are families50.2% (vs Delaware 58.6%)
Total households648 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. 15.4% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 17,165 residents per year on net (IRS migration data).

Moved within the county (past year)15.4%
Migration · People moving in (annual)246,573
Migration · People moving out (annual)229,408
Migration · Net migration (in − out)17,165
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 disability69
Disability rate4.4%

Other

Congressional District · Congress118th
Cdc Birth Rate · Fips10005
Cdc Birth Rate · State Fips10
Cdc Birth Rate · County Fips005
Cdc Birth Rate · CountySussex
Cdc Birth Rate · Birth Rate27.6%
Cdc Birth Rate · Lower Ci25.40
Cdc Birth Rate · Upper Ci30.00
Cdc Mortality · Fips10005
Cdc Mortality · CountySussex County
Cdc Mortality · Urban RuralMedium metro
Cdc Mortality · Total Deaths 2020 20239,999
Cdc Vaccination · Fips10005
Cdc Vaccination · CountySussex County
Cdc Vaccination · Dose1 Pop Pct86.5%
Cdc Vaccination · Series Complete Pct72.9%
Cdc Vaccination · Booster Pct55.3%
Cdc Vaccination · Population 2019234,225
Cdc Vaccination · Metro StatusMetro
Family Score · Score2.60
Family Score · Schools2
Family Score · Childcare Centers2
Family Score · Children Pct26.6%
Family Score · Ratinglimited
Town Summary · Key Factspopulation 1,564, shrinking, young professional, middle-class, mixed
Town Summary · Population1,564 people (vs Delaware 13,439)
Town Summary · CountySussex County

Sources: NCES school congressional district assignment · federal dataset cascade