ZIP code · Middletown · Delaware · United States
ZIP code 19709 — Middletown
ZIP code 19709 serves Middletown, Delaware.
- Postal code
- 19709Single source Value from one source, not cross-checked.
- City
- Middletown
- County
- New Castle FIPS 10003
- State
- Delaware
- Country
- United States
- Coordinates
- 39.4815, -75.6832 — precision precise (locality)
View on OpenStreetMap - Population
- 50,542 (ZCTA, ACS 5-year)
- Population density
- 651 / sq mi
- Land area
- 77.6 sq mi (201.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $129,971
- Per-capita income
- $55,938
- Median age
- 40.2
- Households
- 17,649
- Housing units
- 17,819
- Median home value
- $444,900
- Median gross rent
- $1,571 / month
- Congressional district
- DE At-large (119th Congress)
- USDA hardiness zone
- 7b (5 to 10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 302Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 19709 with another ZIP · ZIPs within 25 miles · distance from 19709
Nearby localities
Map of ZIP code 19709
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 25°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 43 | 46 | 54 | 67 | 76 | 84 | 89 | 87 | 79 | 69 | 57 | 47 |
| Avg low °F | 25 | 25 | 33 | 42 | 52 | 62 | 66 | 65 | 58 | 46 | 36 | 30 |
| Precip in | 3.4 | 2.9 | 4.3 | 3.7 | 3.6 | 4.0 | 4.8 | 4.0 | 4.9 | 4.0 | 3.4 | 4.0 |
NOAA 1991–2020 climate normals from the nearest station: NEWARK AG FARM (13.3 mi) · NOAA NCEI
Places in ZIP 19709
- 14 schools
- 1 hospitals & clinics
- 4 doctors & dentists
- 1 pharmacies
- 9 supermarkets
- 48 restaurants & cafés
- 37 parks
- 22 playgrounds
- 5 gyms & sports centres
- 1 libraries
- 2 post offices
- 8 places of worship
- 8 banks
- 12 gas stations
- 1 EV charging stations
- 3 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page