ZIP Code 63670 — Grayhawk CDP, MO Demographics & Data

ZIP code 63670 covers Grayhawk, MO in Ste. Genevieve County with a population of about 12,294.

At a glance, the area shows median age of 42.3 versus a U.S. median of about 38.9.

It sits in telephone area code 573; U.S. House district MO-8; the ST. LOUIS media market.

Median household income in ZIP 63670 is about $60,235 — about 20% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.6%; unemployment rate near 4.9%; 18.2% of adults with a bachelor’s degree or higher (about 15.5 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Healthcare, and Public administration; about 7.5% of workers reporting work-from-home (about 7.7 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $205,700 — about 41% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $545 (about 53% below the U.S. median rent ($1,163)), and owner-occupancy near 78.3% (about 12.9 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 63670 in Grayhawk, MO, a household would need roughly $57,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,321. That is roughly in line with the local median household income ($60,235). Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

FEMA’s National Risk Index rates natural-hazard risk for Grayhawk CDP, MO as Relatively Low (composite score 54.6), which is near the middle of the national distribution. The strongest component scores on US5 are flood (52.6) and wildfire (36.2). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Grayhawk CDP, MO show little to no average snow and around 42.8 inches of annual precipitation.

IRS migration statistics show a net inflow of about 556 for ZIP 63670 (Grayhawk CDP, MO) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.