Odessa: Demographics & People

Odessa's population stands at 409 people, in 143 households. Population grew 4.3% from 392 (2022) to 409 (2024). Median age 43.2 years. (3.9y older than New Castle County; 6.2y older than Delaware). Children under 18 are 31% of the population. Population is 62% White (non-Hispanic) and 23% Black. The community is moderately diverse (Simpson index 0.42). 71% of households are family-led. County is gaining 1,395 residents per year (2022-2023). County health: 38% adult obesity, 14% smoke.

Population & Trend

Population grew 4.3% from 392 (2022) to 409 (2024) — about 7.2× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~426 (extrapolated at 2.2%/yr trend). Census Bureau Vintage estimate: 451.

Census data vintage2024
Population570,719 people
Annual growth rate · Population change4.3%
Annual growth rate · Population (2022)392
Annual growth rate · Population (2024)409
Annual growth rate · Population growingYes
Annual growth rate · Trend categorygrowing
Population409 people (vs Delaware 13,439) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate451

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

Age Distribution

Median age 43.2y is 4.3 years older than the U.S. median (38.9y). Children under 18 make up 31% — above the U.S. share of ~22%.

Age Summary · Median age43.2 years (vs Delaware 37.0y)
Age Summary · Children Pct31.3%
Age Summary · Characterestablished
Age Summary · Total Pop409
Age Summary · Under 18128
Age Summary · 18 To 3428.0×
Age Summary · 35 To 64160.0×
Age Summary · 65 Plus93
Population under 18128
Median age43.2 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 409 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.42 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.

White residents296
Black residents65
Hispanic or Latino residents39
Diversity Index · Diversity index (Simpson)41.6%
Diversity Index · Diversity labelmoderately diverse
Diversity Index · Groups counted3
Diversity Index · Largest group share74.0%
Asian population0.7% (vs Delaware 2.9%)
Black population23.0% (vs Delaware 26.7%)
Hispanic or Latino population11.0% (vs Delaware 10.7%)
White (non-Hispanic) population62.3% (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)
English
(unnamed)
Irish
(unnamed)
Black
(unnamed)
Polish
(unnamed)
German
(unnamed)
Italian
(unnamed)
Hispanic Total
(unnamed)
American

Citizenship & Origin

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

Residents born in this state253
Residents born in another state131
Share born in this state61.9%
Share born in another state38.1%
Total foreign-born residents9
From Europe2

Households & Family Composition

143 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 71% are family households — above the U.S. share of ~65%. Of 106 families, 33% are married couples with children.

Children under 18116
Total families106
Married couples with children35
Single-parent households6
Average household size2.47
Women who gave birth (past year)10.1%
Grandparents living with grandchildren40
Family households102 households (vs Delaware 3,428)
Households that are families71.3% (vs Delaware 58.6%)
Total households143 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. 4.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 1,395 residents per year on net (IRS migration data).

Moved within the county (past year)4.6%
Migration · People moving in (annual)500,294
Migration · People moving out (annual)498,899
Migration · Net migration (in − out)1,395
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 disability31
Disability rate8.0%

Other

Congressional District · Congress118th
Cdc Birth Rate · Fips10003
Cdc Birth Rate · State Fips10
Cdc Birth Rate · County Fips003
Cdc Birth Rate · CountyNew Castle
Cdc Birth Rate · Birth Rate12.4%
Cdc Birth Rate · Lower Ci11.50
Cdc Birth Rate · Upper Ci13.20
Cdc Mortality · Fips10003
Cdc Mortality · CountyNew Castle County
Cdc Mortality · Urban RuralLarge fringe metro
Cdc Mortality · Total Deaths 2020 202321,207
Cdc Vaccination · Fips10003
Cdc Vaccination · CountyNew Castle County
Cdc Vaccination · Dose1 Pop Pct89.4%
Cdc Vaccination · Series Complete Pct73.6%
Cdc Vaccination · Booster Pct51.1%
Cdc Vaccination · Population 2019558,753
Cdc Vaccination · Metro StatusMetro
Family Score · Score1.80
Family Score · Schools1
Family Score · Childcare Centers1
Family Score · Children Pct31.3%
Family Score · Ratinglimited
Town Summary · Key Factspopulation 409, growing, established, affluent, mixed
Town Summary · Population409 people (vs Delaware 13,439)
Town Summary · CountyNew Castle County

Sources: NCES school congressional district assignment · federal dataset cascade