Census tract · Sussex County
Census Tract 510.09, Sussex County, Delaware
Census Tract 510.09, GEOID 10005051009, in Sussex County, Delaware, partly within Rehoboth Beach and Lewes. 2,381 residents in the ACS 2020-2024 5-year estimates (±416); the 2020 Census counted 2,313.
Residents, 2020-2024
2,381
±416 (90% margin)
2020 Census count: 2,313
Median household income
$160,750
±$47,068 (90% margin)
Sussex County: $81,497
Median home value
$902,900
±$93,257 (90% margin)
Sussex County: $382,600
Median gross rent
$1,574
±$1,136 (90% margin)
Sussex County: $1,238
Where is Census Tract 510.09?
Census Tract 510.09 is one of 75 census tracts in Sussex County, Delaware. It covers 4.84 square miles of land, 478 residents per square mile in 2020. Its GEOID, 10005051009, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Rehoboth Beach | 7% |
| Lewes | 2% |
8 census tracts border Census Tract 510.09: Tract 509.04 ($77,031), Tract 509.05 ($92,986), Tract 510.08 ($111,250), Tract 510.16 ($102,708), Tract 510.17 ($93,862), Tract 511.01 ($159,342), Tract 511.02 ($101,250) and Tract 9800*. The figure in brackets is each tract's median household income; * a special land-use tract (water, a park or an institution) with few or no residents.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 510.09?
The 2020-2024 American Community Survey puts Census Tract 510.09's population at 2,381 (±416) in 1,158 households; the 2020 Census counted 2,313 residents and 2,054 housing units.
| Measure | Tract 510.09 | Sussex County |
|---|---|---|
| Total population | 2,381 ±416 | 255,626 |
| Households | 1,158 ±217 | 106,441 |
| Average household size | 2.06 ±0.22 | 2.38 |
| Housing units | 2,060 ±249 | 151,799 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 510.09?
The median resident of Census Tract 510.09 is 61.4 years old; 14.0% are under 18 and 43.8% are 65 or older. The largest group is non-Hispanic white residents at 92.8%, then Hispanic or Latino residents (of any race) at 2.6%.
| Measure | Tract 510.09 | Sussex County |
|---|---|---|
| Median age | 61.4 ±5.0 | 51.9 |
| Under 18 years | 14.0% ±7.0 pts | 18.1% |
| 65 years and over | 43.8% ±9.8 pts | 30.2% |
| Hispanic or Latino (any race) | 2.6% ±2.4 pts | 11.5% |
| White alone, not Hispanic | 92.8% ±4.3 pts | 72.3% |
| Black or African American alone, not Hispanic | 2.2% ±3.5 pts | 9.8% |
| Asian alone, not Hispanic | 2.0% ±1.8 pts | 1.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.1 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.6 pts | 0.0% |
| Two or more races, not Hispanic | 0.5% ±0.7 pts | 4.4% |
| Some other race alone, not Hispanic | 0.0% ±1.6 pts | 0.5% |
| Born outside the United States | 2.5% ±2.1 pts | 8.4% |
| Speak a language other than English at home (age 5+) | 4.6% ±2.8 pts | 13.0% |
| Civilian veterans (age 18+) | 13.8% ±5.8 pts | 8.5% |
| With a disability | 17.1% ±6.8 pts | 14.9% |
| No health insurance coverage | 3.6% ±3.1 pts | 7.0% |
| High school graduate or higher (age 25+) | 99.1% ±1.6 pts | 90.2% |
| Bachelor's degree or higher (age 25+) | 62.5% ±7.1 pts | 33.0% |
| Graduate or professional degree (age 25+) | 35.8% ±6.4 pts | 14.1% |
| Lived in the same house a year earlier | 90.7% ±5.3 pts | 90.0% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 510.09 earn?
Half of the 1,158 households in Census Tract 510.09 earn less than $160,750 a year (±$47,068), against $81,497 across Sussex County: 1st highest of the county's 73 tracts with a reliable estimate.
| Measure | Tract 510.09 | Sussex County |
|---|---|---|
| Median household income | $160,750 ±$47,068 | $81,497 |
| Mean household income | $218,718 ±$55,469 | $109,282 |
| Per capita income | $107,344 ±$18,921 | $46,684 |
| People below the poverty line | 5.7% ±4.4 pts | 10.9% |
| Children under 18 below the poverty line | 8.1% ±13.4 pts | 18.9% |
| Households receiving SNAP | 2.2% ±3.4 pts | 10.6% |
| Households with a computer | 98.4% ±1.7 pts | 95.7% |
| Households with a broadband subscription | 90.4% ±7.4 pts | 91.5% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 510.09?
Owners occupy 88.8% of Census Tract 510.09's occupied homes and renters 11.2%. The median owner-occupied home is valued at $902,900 by its owner (±$93,257).
| Measure | Tract 510.09 | Sussex County |
|---|---|---|
| Median home value (owner-occupied) | $902,900 ±$93,257 | $382,600 |
| Median gross rent | $1,574 ±$1,136 | $1,238 |
| Renters paying 35% or more of income on rent | 24.8% ±29.8 pts | 42.8% |
| Median monthly owner costs, with a mortgage | $3,053 ±$991 | $1,736 |
| Owner-occupied homes | 88.8% ±6.6 pts | 81.6% |
| Renter-occupied homes | 11.2% ±6.6 pts | 18.4% |
| Housing units | 2,060 ±249 | 151,799 |
| Single-family detached homes | 62.4% ±8.2 pts | 65.4% |
| Mobile homes | 0.9% ±1.0 pts | 12.8% |
| Built 2020 or later | 0.6% ±1.0 pts | 6.1% |
| Built 2010 to 2019 | 25.1% ±8.4 pts | 19.2% |
| Built 1939 or earlier | 0.0% ±1.8 pts | 4.4% |
| Households with no vehicle | 2.9% ±3.6 pts | 3.3% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 510.09 get to work?
47.8% of Census Tract 510.09's workers drive alone and 32.6% work from home. The average trip to work takes 33.0 minutes.
| Measure | Tract 510.09 | Sussex County |
|---|---|---|
| In the labor force (age 16+) | 43.5% ±7.4 pts | 54.1% |
| Unemployment rate | 7.7% ±7.8 pts | 5.3% |
| Drove alone to work | 47.8% ±12.4 pts | 75.4% |
| Carpooled | 13.5% ±6.6 pts | 8.0% |
| Public transportation | 1.1% ±1.7 pts | 0.5% |
| Walked | 2.5% ±2.8 pts | 1.3% |
| Worked from home | 32.6% ±12.1 pts | 13.4% |
| Mean travel time to work | 33.0 min ±8.9 | 27.3 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 510.09 compare with the other tracts in Sussex County?
Among Sussex County's tracts with a reliable estimate, Census Tract 510.09 ranks as shown below (1 = highest).
| Measure | In Sussex County |
|---|---|
| Population | 52nd of 73 |
| Residents per square mile | 37th of 74 |
| Median household income | 1st of 73 |
| Per capita income | 3rd of 73 |
| Median home value | 5th of 73 |
| Bachelor's degree or higher | 7th of 72 |
| Median age | 26th of 73 |
| Owner-occupied share | 27th of 73 |
The tracts next to it on Sussex County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 510.09 | 1st | $160,750±$47,068 |
| Tract 511.01 | 2nd | $159,342±$13,247 · within the margin of this tract |
| Tract 512.02 | 3rd | $145,833±$58,528 · within the margin of this tract |
| Tract 510.15 | 4th | $130,250±$17,739 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 510.09?
5 of the 18 figures for Census Tract 510.09 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections