ZIP code · New Hampshire · Ohio · United States
ZIP code 45870 — New Hampshire
ZIP code 45870 serves New Hampshire, Ohio.
- Postal code
- 45870Single source Value from one source, not cross-checked.
- City
- New Hampshire
- County
- Auglaize FIPS 39011
- State
- Ohio
- Country
- United States
- Coordinates
- 40.5563, -83.9514 — precision precise (locality)
View on OpenStreetMap - Population
- 505 (ZCTA, ACS 5-year)
- Population density
- 1,539 / sq mi
- Land area
- 0.3 sq mi (0.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $154,643
- Per-capita income
- $38,940
- Median age
- 47.5
- Households
- 136
- Housing units
- 136
- Median home value
- $115,500
- Congressional district
- OH-4 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °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
- 419 (from the nearest rate centre)Telephone 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 45870 with another ZIP · ZIPs within 25 miles · distance from 45870
Map of ZIP code 45870
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 41 | 50 | 63 | 74 | 83 | 86 | 85 | 79 | 67 | 52 | 42 |
| Avg low °F | 18 | 21 | 29 | 39 | 50 | 59 | 62 | 61 | 54 | 43 | 33 | 25 |
| Precip in | 2.8 | 2.3 | 2.9 | 4.2 | 4.5 | 4.7 | 4.5 | 3.6 | 3.1 | 3.0 | 3.2 | 2.6 |
NOAA 1991–2020 climate normals from the nearest station: HUNTSVILLE 3N (9.0 mi) · NOAA NCEI
Places in ZIP 45870
- 1 post offices
- 2 places of worship
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