ZIP code · Harrisonburg · Louisiana · United States

ZIP code 71340 — Harrisonburg

ZIP code 71340 serves Harrisonburg, Louisiana.

Postal code
71340
Single source Value from one source, not cross-checked.
City
Harrisonburg
County
Catahoula FIPS 22025
State
Louisiana
Country
United States
Coordinates
31.7779, -91.8133 — precision precise (locality)
View on OpenStreetMap
Population
1,970 (ZCTA, ACS 5-year)
Population density
15 / sq mi
Land area
132.9 sq mi (344.1 km²) (ZCTA, ACS 5-year)
Median household income
$49,632
Per-capita income
$21,881
Median age
36.3
Households
397
Housing units
510
Median home value
$104,000
Median gross rent
$579 / month
Congressional district
LA-5 (119th Congress)
USDA hardiness zone
9a (20 to 25 °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
318
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.

Climate — monthly normals

Warmest month Aug (avg high 92°F), coldest Jan (avg low 36°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F576269768389919288786759
Avg low °F364047536269727165544438
Precip in5.75.55.75.44.44.94.53.83.64.75.55.8

NOAA 1991–2020 climate normals from the nearest station: JENA (19.8 mi) · NOAA NCEI

Places in ZIP 71340

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