Residential delivery area · Delaware

ZIP Code 19938: Clayton, DE

ZIP code 19938 uses the postal name Clayton, Delaware and lies mostly in Kent County (85% of its land) with the rest in New Castle County (Census 2020 ZIP-county file). About 9,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $99,596 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Clayton; 96% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
1national area: Delaware, New York and Pennsylvania
199sectional center: Wilmington, DE (SCF 197)
38delivery area within it
Town
Clayton · its only residential ZIP
County
Kent County (85%); New Castle County (15%)
Census places
Clayton
Metro area
Dover, DE
House district
DE at large 119th Congress
Time zone
Eastern
Land area
48.2 sq mi · 198 people per sq mi

Where is ZIP code 19938?

19938 centers on 39.256°, -75.699° and covers 48.2 square miles of land. It borders 7 ZIP codes: 19955, 19953, 19904, 21651, 19977, 19734, 21668.

19734 · Townsend19904 · Dover19953 · Hartly19955 · Kenton19977 · Smyrna21651 · Millington21668 · Sudlersville19938 · Clayton (this ZIP)1993819734199771990421651216681995319734 · Townsend19904 · Dover19953 · Hartly19955 · Kenton19977 · Smyrna21651 · Millington21668 · Sudlersville19938 · Clayton (this ZIP)1993819734199771990421651216681995319734 · Townsend19904 · Dover19953 · Hartly19955 · Kenton19977 · Smyrna21651 · Millington21668 · Sudlersville19938 · Clayton (this ZIP)199381973419977199042166819953
Shaded by median household income, in national fifths (ACS 2020-2024); 19938 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 19938, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 19938 compare with the rest of Kent County?

Rank of 19938 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure19938In Kent CountyIn DE
People (ACS 2020-2024)9,5619th of 1937th of 68
Median household income$100k2nd of 1211th of 48
Median home value$381k1st of 1219th of 50

Its median household income is higher than in 81% of U.S. residential ZIP codes, and it is denser than 63% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 19938?

The 2020 Census counted 10,131 people in 19938; the ACS, which samples households over 2020-2024, estimates 9,561. Between the 2010 and 2020 censuses its population grew 21.2% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
9,561
2020 Census count
10,131+21.2% since 2010 (8,357)
Households
3,159
Median age
39.4

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 19938?

Of the 9,561 people the ACS estimates in 19938, 25.6% are under 18 and 13.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (67.1%), then Black (not Hispanic) (22.9%).

  • Under 1825.6%
  • 18 to 6460.9%
  • 65 and older13.5%
Age of the people of 19938 (ACS 2020-2024, B01001)
  • White, not Hispanic67.1%
  • Black, not Hispanic22.9%
  • Hispanic or Latino5.0%
  • Asian, not Hispanic3.1%
  • Other or two or more1.8%
Race and Hispanic origin in 19938 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 19938 earn?

Median household income is $99,596 (ACS 2020-2024), the 2nd highest of the 12 ranked ZIP codes in Kent County. It is not measurably different from 2015-2019 ($92,363 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$99,596±$18,854
Income per person
$36,243
Below the poverty line
6.0%
Unemployed (of the labor force)
2.1%
Adults 25+ with a bachelor's degree
24.4%
Adjusted gross income per tax return, 2022
$73,4614,970 returns; wages 79% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 19938?

FHFA's house price index for 19938, built from repeat sales and appraisals of the same homes, rose 72% from 2015 to 2025 and rose 39% from 2020 to 2025, and moved −0.5% in 2025.

Median home value (owners' estimate)
$381,000
Median gross rent
$1,582
Homes owned by their occupants
91.8%
Housing units
3,253
0 100 200 300 19902000201020202025 0 100 200 300 19902000201020202025 0 100 200 300 19902000201020202025
Index = 100 in 1990, the first year FHFA reports for 19938; 2025: 333.0. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 19938?

80 business establishments had a location in this ZIP code in 2023, 14 more than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction21
  • Administrative and support and waste management and remediation services10
  • Retail trade9
  • Other services (except public administration)8
  • Transportation and warehousing7
  • Health care and social assistance6

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 19938?

ZIP codes that share a boundary with 19938, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
19955Kenton352$45k2.7 mi
19953Hartly5,255$82k7.2 mi
19904Dover38,818$67k8.4 mi
21651Millington, MD2,290$74k8.5 mi
19977Smyrna27,704$77k8.7 mi
19734Townsend14,214$128k9.0 mi
21668Sudlersville, MD2,011$79k9.3 mi
19936Cheswold152$34k6.6 mi (near)
21650Massey, MD265–7.0 mi (near)
21649Marydel, MD1,890$69k8.9 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.