ZIP code · Portsmouth · Virginia · United States
ZIP code 23704 — Portsmouth
ZIP code 23704 serves Portsmouth, Virginia.
- Postal code
- 23704Single source Value from one source, not cross-checked.
- City
- Portsmouth
- County
- Portsmouth (city) FIPS 51740
- State
- Virginia
- Country
- United States
- Coordinates
- 36.8298, -76.3146 — precision precise (locality)
View on OpenStreetMap - Population
- 19,235 (ZCTA, ACS 5-year)
- Population density
- 4,254 / sq mi
- Land area
- 4.5 sq mi (11.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $44,739
- Per-capita income
- $30,932
- Median age
- 36.1
- Households
- 8,651
- Housing units
- 9,538
- Median home value
- $197,400
- Median gross rent
- $1,279 / month
- Congressional district
- VA-3 (119th Congress)
- USDA hardiness zone
- 8b (15 to 20 °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)
Tools: compare 23704 with another ZIP · ZIPs within 25 miles · distance from 23704
Map of ZIP code 23704
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 32°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 49 | 52 | 58 | 70 | 77 | 84 | 88 | 86 | 80 | 71 | 60 | 53 |
| Avg low °F | 32 | 34 | 40 | 49 | 58 | 66 | 71 | 70 | 65 | 53 | 43 | 36 |
| Precip in | 3.6 | 3.1 | 4.0 | 3.7 | 4.1 | 4.8 | 5.7 | 6.6 | 6.2 | 4.5 | 3.5 | 3.5 |
NOAA 1991–2020 climate normals from the nearest station: NORFOLK S (5.5 mi) · NOAA NCEI
Places in ZIP 23704
- 6 schools
- 2 hospitals & clinics
- 7 doctors & dentists
- 2 supermarkets
- 31 restaurants & cafés
- 4 bars & pubs
- 27 parks
- 7 playgrounds
- 2 gyms & sports centres
- 1 libraries
- 1 post offices
- 63 places of worship
- 6 banks
- 8 gas stations
- 2 EV charging stations
- 5 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