Residential delivery area · Delaware
ZIP Code 19977: Smyrna, DE
ZIP code 19977 uses the postal name Smyrna, Delaware and lies mostly in Kent County (78% of its land) with the rest in New Castle County (Census 2020 ZIP-county file). About 28,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $76,826 (Census Bureau, ACS 2020-2024). By Census place, 8% of its land lies in Smyrna; 92% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Smyrna · its only residential ZIP
- County
- Kent County (78%); New Castle County (22%)
- Census places
- Smyrna
- Metro area
- Dover, DE
- House district
- DE at large 119th Congress
- State
- Delaware
- Time zone
- Eastern
- Land area
- 83.1 sq mi · 333 people per sq mi
Where is ZIP code 19977?
19977 centers on 39.299°, -75.546° and covers 83.1 square miles of land plus 5.4 of water. It borders 4 ZIP codes: 19734, 19938, 19901, 19904.
The map draws ZIP code areas only. For the streets inside 19977, 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 19977 compare with the rest of Kent County?
| Measure | 19977 | In Kent County | In DE |
|---|---|---|---|
| People (ACS 2020-2024) | 27,704 | 3rd of 19 | 13th of 68 |
| Median household income | $77k | 5th of 12 | 31st of 48 |
| Median home value | $341k | 3rd of 12 | 23rd of 50 |
Its median household income is higher than in 58% of U.S. residential ZIP codes, and it is denser than 68% 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 19977?
The 2020 Census counted 27,505 people in 19977; the ACS, which samples households over 2020-2024, estimates 27,704. Between the 2010 and 2020 censuses its population grew 19.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 27,704
- 2020 Census count
- 27,505+19.7% since 2010 (22,984)
- Households
- 9,322
- Median age
- 38.1
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 19977?
Of the 27,704 people the ACS estimates in 19977, 22.8% are under 18 and 19.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (52.0%), then Black (not Hispanic) (31.5%).
- Under 1822.8%
- 18 to 6457.7%
- 65 and older19.4%
- White, not Hispanic52.0%
- Black, not Hispanic31.5%
- Hispanic or Latino8.7%
- Other or two or more6.6%
- Asian, not Hispanic1.3%
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 19977 earn?
Median household income is $76,826 (ACS 2020-2024), the 5th highest of the 12 ranked ZIP codes in Kent County. It fell from $89,102 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $76,826±$8,716
- Income per person
- $34,437
- Below the poverty line
- 9.5%
- Unemployed (of the labor force)
- 5.9%
- Adults 25+ with a bachelor's degree
- 23.4%
- Adjusted gross income per tax return, 2022
- $69,49013,150 returns; wages 73% 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 19977?
FHFA's house price index for 19977, built from repeat sales and appraisals of the same homes, rose 75% from 2015 to 2025 and rose 47% from 2020 to 2025, and moved +4.2% in 2025.
- Median home value (owners' estimate)
- $341,000
- Median gross rent
- $1,468
- Homes owned by their occupants
- 83.0%
- Housing units
- 10,048
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 19977?
391 business establishments had a location in this ZIP code in 2023, 43 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade64
- Health care and social assistance59
- Construction52
- Other services (except public administration)48
- Accommodation and food services42
- Administrative and support and waste management and remediation services26
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 19977?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 19734 | Townsend | 14,214 | $128k | 8.1 mi |
| 19938 | Clayton | 9,561 | $100k | 8.7 mi |
| 19901 | Dover | 37,763 | $66k | 9.0 mi |
| 19904 | Dover | 38,818 | $67k | 9.1 mi |
| 19936 | Cheswold | 152 | $34k | 5.9 mi (near) |
| 19955 | Kenton | 352 | $45k | 8.1 mi (near) |
| 08323 | Greenwich, NJ | 731 | $83k | 11.7 mi (near) |
| 08038 | Hancocks Bridge, NJ | 351 | $90k | 12.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.