Sussex County, Delaware Population 2024

272,424

Sussex County, Delaware's estimated 2024 population is 272,424 with a growth rate of 3.12% in the past year according to the most recent United States census data. Sussex County, Delaware is the 2nd largest county in Delaware. The 2010 population was 197,883 and has seen a growth of 37.67% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029313,5948,2342.7%
2028305,3608,2342.77%
2027297,1268,2342.85%
2026288,8928,2342.93%
2025280,6588,2343.02%
2024272,4248,2343.12%
2023264,1908,2343.22%
2022255,9568,2343.32%
2021247,7228,8433.7%
2020238,8793,6441.55%
2019235,2355,1872.25%
2018230,0485,3512.38%
2017224,6975,0662.31%
2016219,6314,8032.24%
2015214,8284,4212.1%
2014210,4074,1031.99%
2013206,3043,2091.58%
2012203,0952,6971.35%
2011200,3982,5151.27%
2010197,883
1990113,22915,22515.54%
198098,00417,64821.96%
197080,3567,1619.78%
196073,19511,85919.33%
195061,3368,83416.83%
194052,5026,99515.37%
193045,5071,7664.04%
192043,741-2,672-5.76%
191046,4134,1379.79%
190042,2763,6299.39%
189038,6472,6297.3%
188036,0184,32213.64%
187031,6962,0817.03%
186029,6153,67914.18%
185025,9368433.36%
184025,093-2,022-7.46%
183027,1153,05812.71%
182024,057-3,693-13.31%
181027,7508,39243.35%
180019,358-1,130-5.52%
179020,488-293,106-93.47%
showing: 41 rows
2024 Growth Rate
3.12% (8,234)
County Website
Sussex County
County Seat
2010 Population
197,883
Area
936 mi²
Density
291 people/mi²
Growth Since 2010
37.67% (74,541)
Founded
August 8, 1683

Sussex County, Delaware Population 2024

Population by Race

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Race
Population
Percentage (of total)
White187,83078.05%
Black or African American26,36910.96%
Two or more races14,4125.99%
Other race7,6773.19%
Asian3,0981.29%
Native American1,1910.49%
Native Hawaiian or Pacific Islander910.04%
showing: 7 rows

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Sussex County, Delaware Population by Race

Sussex County, Delaware Population Pyramid 2024

Sussex County, Delaware Median Age

51.3

Total

49.5

Male

53.2

Female

Sussex County, Delaware Adults

There are 197,151 adults, (70,195 of whom are seniors) in Sussex County, Delaware.

Sussex County, Delaware Age Dependency

89.6

Age Dependency Ratio

55.3

Old Age Dependency Ratio

34.3

Child Dependency Ratio

Sussex County, Delaware Sex Ratio

Female123,58951.35%
Male117,07948.65%

Sussex County, Delaware Population by Age

Sussex County, Delaware Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All99,8582.3881.418.6
Married52,8462.7791.28.8
Non Family31,9341.274.425.6
Female10,4713.660.739.3
Male4,6073.3265.534.5
showing: 5 rows

2.84

Average Family Size

2.38

Average Household Size

81.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Sussex County, Delaware Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Sussex County, Delaware Educational Attainment by Sex (over 25)

Sussex County, Delaware Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 93.77%.

The highest rate of bachelors degrees is among asian people with a rate of 43.25%.

Sussex County, Delaware Educational Attainment by Race

All

Male

Female

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$43,312

Average Earnings

$49,042

Average Male

$36,801

Average Female

Sussex County, Delaware Earnings by Educational Attainment

Sussex County, Delaware Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sussex County, Delaware Language

88.71% of Sussex County, Delaware residents speak only English, while 11.29% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.63% of the population.

Sussex County, Delaware Language

Sussex County, Delaware Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White177,15714,3888.12%
Hispanic22,3706,09327.24%
Black25,5955,22920.43%
Multiple14,1143,03721.52%
Other7,6482,09227.35%
Native1,11933830.21%
Asian3,0953029.76%
showing: 7 rows

11.62%

Overall Poverty Rate

10.51%

Male Poverty Rate

12.67%

Female Poverty Rate

Poverty in Sussex County, Delaware

The race most likely to be in poverty in Sussex County, Delaware is Native, with 30.21% below the poverty level.

The race least likely to be in poverty in Sussex County, Delaware is White, with 8.12% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.06%. Among those working part-time, it was 12.47%, and for those that did not work, the poverty rate was 13.22%.

Sussex County, Delaware Poverty

rate

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Rate
Poverty
Less Than 9th Grade21.69%
High School12.44%
Some College7.54%
Bachelors or Greater3.74%
showing: 4 rows

Sussex County, Delaware Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed41.11%
Male Unemployed24.1%
Female Employed5.99%
Male Employed5.36%
showing: 4 rows

Sussex County, Delaware Poverty Rate by Employment Status and Sex

Sussex County, Delaware Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Sussex County, Delaware Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

54.6%

Overall Marriage Rate

58.1%

Male Marriage Rate

51.4%

Female Marriage Rate

Sussex County, Delaware Married by Age and Sex

male

female

Sussex County, Delaware Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Sussex County, Delaware Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Sussex County, Delaware Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

17,956

Number of Veterans

16,604

Male Veterans

1,352

Female Veterans

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Sussex County, Delaware Veterans by War

count

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Sussex County, Delaware Veterans by Age

count

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Sussex County, Delaware Veterans by Race

Sussex County, Delaware Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.68%

Veteran Poverty Rate

32.06%

Veteran Disability Rate

Sussex County, Delaware Veterans by Education

LaborForceParticipation

54.3%

Labor Force Participation

51.4%

Employment Rate

5%

Unemployment Rate

Sussex County, Delaware Employment by Age

LaborForceParticipation

Sussex County, Delaware Employment by Race

LaborForceParticipation

Sussex County, Delaware Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

37.72%

Born in Sussex County, Delaware

92.53%

Native Born

7.47%

Foreign Born

4.03%

Non Citizen

3.44%

Naturalized

Place of Birth

92.53% of Sussex County, Delaware residents were born in the United States, with 37.72% having been born in Delaware. 4.03% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Sussex County, Delaware Place of Birth

Sources