ZIP code · Grain Valley · Missouri · United States

ZIP code 64029 — Grain Valley

ZIP code 64029 serves Grain Valley, Missouri.

Postal code
64029
Single source Value from one source, not cross-checked.
City
Grain Valley
County
Jackson FIPS 29095
State
Missouri
Country
United States
Coordinates
39.0274, -94.2087 — precision precise (locality)
View on OpenStreetMap
Population
21,643 (ZCTA, ACS 5-year)
Population density
680 / sq mi
Land area
31.8 sq mi (82.4 km²) (ZCTA, ACS 5-year)
Median household income
$89,074
Per-capita income
$40,315
Median age
37.2
Households
7,749
Housing units
8,185
Median home value
$284,700
Median gross rent
$1,369 / month
Congressional districts
MO-4 (also MO-6) (119th Congress)
USDA hardiness zone
6b (-5 to 0 °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
816
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 Jul (avg high 87°F), coldest Jan (avg low 19°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F384355657483878678675342
Avg low °F192333435464686657453424
Precip in1.51.92.94.46.05.35.15.14.83.52.41.8

NOAA 1991–2020 climate normals from the nearest station: INDEPENDENCE (9.9 mi) · NOAA NCEI

Places in ZIP 64029

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