COUNTY · 1990 CENSUS
Sussex County
Delaware · 113,229 residents · 936.146 sq mi
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Part of the Seaford micropolitan area
The short version
Sussex County has lower-than-average household income, with a median household income of $26,904. Population has fallen 28% since 2000, a loss of 43,409 residents. 13% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $80,200.
At a glance
Lower income
below the US median
US median: $30,130
Older
median age 36.6
US median: 33.0
Less educated
13% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
2024256K
Age distribution, 1990
Under 56.7%(7,613)
5 to 97%(7,941)
10 to 146.7%(7,548)
15 to 195.8%(6,590)
20 to 245.8%(6,563)
25 to 3415.5%(17,597)
35 to 4414.4%(16,276)
45 to 5410.1%(11,433)
55 to 6411.2%(12,703)
65 to 7410.7%(12,132)
75 to 844.7%(5,284)
85 and over1.4%(1,549)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$26,904
−10%inflation adjusted, since 2000
vs $39,208 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$80,200
+6%inflation adjusted, since 2000
vs $99,700 in 2000
US average: $93,722
1990 – 2024
RELATED:See current rent listings in Sussex County on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic78.5%(122,888)
Black14.7%(23,017)
Hispanic / Latino4.4%(6,915)
Asian0.7%(1,150)
Other0%
1990
White, non-Hispanic81.5%(92,288)
Black16.7%(18,961)
Hispanic / Latino1.1%(1,221)
Asian0.5%(611)
Other1.2%(1,369)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Central American5.1%(12,937)
Guatemalan3.9%(9,918)
Mexican3.2%(8,180)
Puerto Rican1.6%(3,975)
Honduran0.6%(1,563)
Salvadoran0.5%(1,260)
South American0.5%(1,206)
Dominican0.3%(859)
Cuban0.2%(498)
Colombian0.1%(297)
Chilean0.1%(283)
Peruvian0.1%(247)
+ 10 more hispanic origin groups with data
Ecuadorian0.1%(171)
Spaniard0.1%(171)
Costa Rican0%(121)
Venezuelan0%(86)
Paraguayan0%(47)
Nicaraguan0%(46)
Panamanian0%(29)
Bolivian0%(27)
Uruguayan0%(17)
Argentine0%(16)
Asian origin
Filipino0.3%(757)
Asian Indian0.3%(655)
Chinese0.2%(408)
Vietnamese0.2%(392)
Pakistani0.1%(274)
Korean0.1%(213)
Taiwanese0.1%(144)
Laotian0%(64)
Japanese0%(55)
Indonesian0%(45)
Thai0%(28)
Uzbek0%(16)
+ 4 more asian origin groups with data
Ancestry
Irish16.8%(42,841)
German14.8%(37,753)
English14.1%(35,959)
Italian8.3%(21,329)
American6.8%(17,264)
Polish3.7%(9,339)
Scottish2.2%(5,560)
French1.4%(3,593)
West Indian1.1%(2,777)
Dutch1%(2,649)
Welsh0.9%(2,251)
Russian0.8%(2,136)
+ 48 more ancestry groups with data
Haitian0.7%(1,871)
Scotch-Irish0.7%(1,751)
Hungarian0.6%(1,447)
Swedish0.6%(1,433)
Norwegian0.5%(1,296)
Ukrainian0.5%(1,282)
British0.5%(1,269)
Subsaharan African0.4%(1,102)
Portuguese0.4%(1,086)
French Canadian0.4%(992)
Greek0.3%(871)
Lithuanian0.3%(868)
Arab0.3%(723)
Slovak0.3%(701)
Jamaican0.3%(656)
Swiss0.3%(652)
Romanian0.2%(607)
Canadian0.2%(493)
Czech0.2%(423)
Austrian0.2%(414)
Turkish0.2%(402)
Danish0.1%(269)
Egyptian0.1%(235)
Armenian0.1%(215)
Belgian0.1%(214)
Palestinian0.1%(168)
Brazilian0.1%(168)
Lebanese0.1%(136)
Latvian0%(121)
Croatian0%(115)
Finnish0%(99)
Trinidadian & Tobagonian0%(99)
Ethiopian0%(94)
Bulgarian0%(82)
Slovene0%(67)
Israeli0%(56)
Guyanese0%(44)
Iranian0%(38)
Serbian0%(37)
Syrian0%(34)
Australian0%(29)
Cape Verdean0%(27)
Kenyan0%(27)
Nigerian0%(20)
Macedonian0%(19)
Moroccan0%(17)
Jordanian0%(7)
Iraqi0%(5)
Section 05
Education
High school or higher
69.7%
−6.8 ptsvs 2000
vs 76.5% in 2000
US average: 75.2%
Section 06
Commute & transportation
Section 07
Work & employment
No data for the years selected.
Section 08
People & community
No data for the years selected.
Marital status (2024)
Men 15+
Never married27.7%(28,929)
Married59.7%(62,474)
Widowed3.3%(3,416)
Divorced9.3%(9,775)
Women 15+
Never married23.4%(26,428)
Married52.8%(59,683)
Widowed11%(12,458)
Divorced12.7%(14,399)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Compare Sussex County to nearby counties
SUSSEX COUNTY VS
Wicomico County
Income$76,210+183%
Home value$254,700+218%
Population106,899−61%
SEE FULL COMPARISON →
SUSSEX COUNTY VS
Caroline County
Income$68,457+154%
Home value$290,100+262%
Population34,116−88%
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SUSSEX COUNTY VS
Kent County
Income$74,477+177%
Home value$316,600+295%
Population194,786−30%
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SUSSEX COUNTY VS
Worcester County
Income$81,745+204%
Home value$374,700+367%
Population54,459−80%
SEE FULL COMPARISON →
Frequently asked
How many people live in Sussex County, Delaware?
Sussex County, Delaware has about 113,229 residents according to the 1990 Census.
What is the median household income in Sussex County, Delaware?
The typical household in Sussex County, Delaware earns about $26,904 a year. Half of households make more than that, and half make less.
Is Sussex County, Delaware expensive?
In Sussex County, Delaware, the median home is worth about $80,200, and the typical rent is about $383 a month.
How educated are people in Sussex County, Delaware?
About 13.0% of adults age 25 and over in Sussex County, Delaware hold a bachelor's degree or higher.
What is the poverty rate in Sussex County, Delaware?
About 10.7% of people in Sussex County, Delaware live below the federal poverty line.
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75 census tracts (top 20 by population)
Census Tract 517.02Census Tract 504.07Census Tract 518.01Census Tract 505.03Census Tract 506.01Census Tract 513.02Census Tract 503.02Census Tract 501.05Census Tract 501.04Census Tract 504.05Census Tract 501.03Census Tract 504.06Census Tract 506.04Census Tract 507.01Census Tract 519Census Tract 510.13Census Tract 501.01Census Tract 508.08Census Tract 508.06Census Tract 510.0822 ZIP codes
ZIP 19966ZIP 19958ZIP 19973ZIP 19963ZIP 19947ZIP 19956ZIP 19968ZIP 19971ZIP 19975ZIP 19933ZIP 19945ZIP 19970ZIP 19950ZIP 19940ZIP 19939ZIP 19960ZIP 19941ZIP 19930ZIP 19967ZIP 19951ZIP 19944ZIP 19931Up the hierarchy
All counties in DelawareDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024