Residential delivery area · Delaware
ZIP Code 19940: Delmar, DE
ZIP code 19940 uses the postal name Delmar, Delaware and lies entirely in Sussex County (Census 2020 ZIP-county file). About 7,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $65,024 (Census Bureau, ACS 2020-2024). By Census place, 5% of its land lies in Delmar; 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Delmar · its only residential ZIP
- County
- Sussex County
- Census places
- Delmar
- Micro area
- Seaford, DE
- House district
- DE at large 119th Congress
- State
- Delaware
- Time zone
- Eastern
- Land area
- 41.3 sq mi · 183 people per sq mi
Where is ZIP code 19940?
19940 centers on 38.478°, -75.565° and covers 41.3 square miles of land. It borders 7 ZIP codes: 21875, 19956, 21849, 21801, 21837, 21850, 19966.
The map draws ZIP code areas only. For the streets inside 19940, 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 19940 compare with the rest of Sussex County?
| Measure | 19940 | In Sussex County | In DE |
|---|---|---|---|
| People (ACS 2020-2024) | 7,540 | 15th of 23 | 41st of 68 |
| Median household income | $65k | not ranked | not ranked |
| Median home value | $235k | 21st of 21 | 48th of 50 |
19940's median household income is not ranked: its 90% margin of error (±$18,087) is more than a quarter of the figure ($65,024). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 62% of 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 19940?
The 2020 Census counted 6,541 people in 19940; the ACS, which samples households over 2020-2024, estimates 7,540. Between the 2010 and 2020 censuses its population grew 17.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 7,540±1,049 (90% margin)
- 2020 Census count
- 6,541+17.3% since 2010 (5,574)
- Households
- 2,469
- Median age
- 41.8
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 19940?
Of the 7,540 people the ACS estimates in 19940, 24.6% are under 18 and 17.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (69.4%), then Black (not Hispanic) (14.4%).
- Under 1824.6%
- 18 to 6458.0%
- 65 and older17.4%
- White, not Hispanic69.4%
- Black, not Hispanic14.4%
- Hispanic or Latino9.5%
- Other or two or more5.2%
- Asian, not Hispanic1.5%
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 19940 earn?
Median household income is $65,024 (ACS 2020-2024). It is not measurably different from 2015-2019 ($64,748 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $65,024±$18,087
- Income per person
- $33,363
- Below the poverty line
- 14.0%
- Unemployed (of the labor force)
- 6.8%
- Adults 25+ with a bachelor's degree
- 19.9%
- Adjusted gross income per tax return, 2022
- $64,7753,130 returns; wages 77% 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 19940?
FHFA's house price index for 19940, built from repeat sales and appraisals of the same homes, rose 78% from 2015 to 2025 and rose 48% from 2020 to 2025, and moved +4.3% in 2025.
- Median home value (owners' estimate)
- $235,300
- Median gross rent
- $1,037
- Homes owned by their occupants
- 82.2%
- Housing units
- 2,743
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 19940?
157 business establishments had a location in this ZIP code in 2023, 10 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade34
- Construction23
- Other services (except public administration)19
- Wholesale trade13
- Finance and insurance12
- Professional, scientific, and technical services12
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 19940?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21875 | Delmar, MD | 7,646 | $84k | 2.8 mi |
| 19956 | Laurel | 16,327 | $66k | 5.1 mi |
| 21849 | Parsonsburg, MD | 3,388 | $71k | 9.8 mi |
| 21801 | Salisbury, MD | 30,088 | $71k | 10.8 mi |
| 21837 | Mardela Springs, MD | 2,891 | $63k | 11.0 mi |
| 21850 | Pittsville, MD | 3,850 | $80k | 12.1 mi |
| 19966 | Millsboro | 35,884 | $78k | 17.1 mi |
| 19931 | Bethel | 375 | $99k | 6.8 mi (near) |
| 21861 | Sharptown, MD | 920 | $86k | 9.7 mi (near) |
| 21830 | Hebron, MD | 5,200 | $113k | 10.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.