ZIP code · Thornton · Arkansas · United States
ZIP code 71766 — Thornton
ZIP code 71766 serves Thornton, Arkansas.
- Postal code
- 71766Single source Value from one source, not cross-checked.
- City
- Thornton
- County
- Calhoun FIPS 05013
- State
- Arkansas
- Country
- United States
- Coordinates
- 33.7768, -92.4862 — precision precise (locality)
View on OpenStreetMap - Population
- 534 (ZCTA, ACS 5-year)
- Population density
- 11 / sq mi
- Land area
- 50.8 sq mi (131.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $72,500
- Per-capita income
- $31,746
- Median age
- 53.5
- Households
- 192
- Housing units
- 314
- Median home value
- $58,900
- Median gross rent
- $625 / month
- Congressional district
- AR-4 (119th Congress)
- USDA hardiness zone
- 8a (10 to 15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 870 (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 71766 with another ZIP · ZIPs within 25 miles · distance from 71766
Map of ZIP code 71766
Climate — monthly normals
Warmest month Jul (avg high 91°F), coldest Jan (avg low 31°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 52 | 57 | 65 | 74 | 81 | 88 | 91 | 91 | 85 | 75 | 63 | 55 |
| Avg low °F | 31 | 34 | 41 | 49 | 59 | 67 | 71 | 69 | 62 | 50 | 40 | 33 |
| Precip in | 4.5 | 4.9 | 5.8 | 5.9 | 5.4 | 4.2 | 4.1 | 3.8 | 3.6 | 5.0 | 4.4 | 6.0 |
NOAA 1991–2020 climate normals from the nearest station: FORDYCE (6.0 mi) · NOAA NCEI
Places in ZIP 71766
- 1 parks
- 1 post offices
- 4 places of worship
- 1 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