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CITY · 2000 CENSUS

Seaford

Delaware · 6,699 residents · 5.10 sq mi
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The short version

With 6,699 people, Seaford is a city in Delaware. The poverty rate is 27.6%, above the 12.4% national rate. Owners hold 50% of the housing stock. That trails the Delaware median by roughly 40%. 14% of adults hold a bachelor's degree or higher. The median household earns $28,402, about 33% below the national median.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 37.5
US median: 35.2
Less educated
14% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

6,699
+18%since 1990
from 5,695 in 1990
1990 – 2025
37.5
+5%since 1990
from 35.8 in 1990
US average: 35.2
Land area
5.10 sq mi
Population, 19902024
5K6K7K8K9K19902000201020202024Seaford
20248K
1990201020202024
Age distribution, 2000
Under 57.9%(526)
US avg: 6.8%
5 to 97.1%(474)
US avg: 7.3%
10 to 147%(471)
US avg: 7.3%
15 to 196.5%(437)
US avg: 7.2%
20 to 246.6%(442)
US avg: 6.7%
25 to 3411.8%(791)
US avg: 14.2%
35 to 4412.3%(822)
US avg: 16%
45 to 5411.5%(771)
US avg: 13.4%
55 to 647.4%(494)
US avg: 8.6%
65 to 748.2%(549)
US avg: 6.5%
75 to 848.7%(585)
US avg: 4.4%
85 and over5%(337)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$28,402
−13%inflation adjusted, since 1990
from $24,894 in 1990
US average: $42,589
1990 – 2024
$15,022
+22%since 1990
from $12,335 in 1990
US average: $21,522
27.6%
+13.4 ptssince 1990
from 14.3% in 1990
US average: 12.4%
Section 03

Housing

$87,600
+1%inflation adjusted, since 1990
from $65,600 in 1990
US average: $120,530
1990 – 2024
$384
−17%inflation adjusted, since 1990
from $351 in 1990
US average: $602
50.1%
−7.2 ptssince 1990
from 57.3% in 1990
49.9% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic74.6%(4,249)
Black22.8%(1,299)
Hispanic / Latino2%(116)
Asian0.5%(31)
2000
White, non-Hispanic61.9%(4,144)
Black29.9%(2,004)
Hispanic / Latino4.3%(285)
Asian1.5%(100)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican6%(509)
Puerto Rican3.7%(317)
Guatemalan2.7%(233)
Asian origin
Chinese1.1%(91)
Cambodian0.1%(10)
Ancestry
Irish14.7%(1,248)
English9.4%(797)
Italian8.8%(746)
German8.7%(741)
American5.3%(451)
West Indian4.3%(368)
Polish4.2%(353)
Haitian4.1%(346)
Dutch2%(170)
Scottish1.3%(109)
French1.1%(95)
+ 6 more ancestry groups with data
Scotch-Irish0.3%(29)
Jamaican0.3%(22)
Hungarian0.1%(10)
Czech0.1%(9)
Russian0%(2)
Section 05

Education

13.5%
−5.0 ptssince 1990
from 18.5% in 1990
US average: 24.4%
High school or higher
72.7%
Unchangedsince 1990
from 72.7% in 1990
US average: 80.3%
5.0%
−1.0 ptssince 1990
from 6.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

14.1 min
−13%since 1990
from 16.1 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married26.1%(536)
Married60%(1,229)
Widowed4%(82)
Divorced9.9%(203)
Women 15+
Never married24.2%(709)
Married42.2%(1,235)
Widowed21.7%(634)
Divorced11.8%(346)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

10.1%
+5.0 ptssince 2013
from 5.1% in 2013
US average: 8.4%
43.1%
−3.1 ptssince 2020
from 46.2% in 2020
US average: 54.8%
Direct-purchase
16.5%
+2.8 ptssince 2020
from 13.7% in 2020
US average: 13.8%
19.8%
−0.4 ptssince 2020
from 20.2% in 2020
US average: 18.4%
35.8%
−0.2 ptssince 2020
from 36.0% in 2020
US average: 20.9%
VA health care
0.7%
−1.4 ptssince 2020
from 2.1% in 2020
US average: 2.2%
Any private
54.6%
−3.1 ptssince 2020
from 57.7% in 2020
US average: 67.1%
Any public
52.3%
+1.2 ptssince 2020
from 51.1% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)12%(51)
US avg: 26.4%
Gulf War (1990s)20.2%(86)
US avg: 24.3%
Vietnam era76.2%(324)
US avg: 33.1%
Korean War1.6%(7)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 425 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Seaford, Delaware?

Seaford, Delaware has about 6,699 residents according to the 2000 Census.

What is the median household income in Seaford, Delaware?

The typical household in Seaford, Delaware earns about $28,402 a year. Half of households make more than that, and half make less.

Is Seaford, Delaware expensive?

In Seaford, Delaware, the median home is worth about $87,600, and the typical rent is about $384 a month.

How educated are people in Seaford, Delaware?

About 13.5% of adults age 25 and over in Seaford, Delaware hold a bachelor's degree or higher.

What is the poverty rate in Seaford, Delaware?

About 27.6% of people in Seaford, Delaware live below the federal poverty line.

Has Seaford, Delaware grown since 1990?

Yes, Seaford, Delaware has grown since 1990. The population has added about 1,004 residents, a change of about 18 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →