ZIP Code 37656 — Fall Branch CDP, TN Demographics & Data

ZIP code 37656 covers Fall Branch, TN in Washington County with a population of about 3,566.

At a glance, the area shows median age of 52.0 versus a U.S. median of about 38.9.

It sits in telephone area code 423; U.S. House district TN-1; the TRI - CITIES, TN - VA media market.

Median household income in ZIP 37656 is about $65,731 — about 13% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 11.0%; unemployment rate near 6.0%; 18.1% of adults with a bachelor’s degree or higher (about 15.6 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Healthcare, and Retail trade; about 8.4% of workers reporting work-from-home (about 6.8 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 $231,900 — about 33% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $675 (about 42% below the U.S. median rent ($1,163)), and owner-occupancy near 89.3% (about 23.9 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 37656 in Fall Branch, TN, a household would need roughly $64,000 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 $1,490. That is roughly in line with the local median household income ($65,731). 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 Fall Branch CDP, TN as Relatively Low (composite score 61.2), which is near the middle of the national distribution. The strongest component scores on US5 are flood (71.1) and hurricane (55.9). 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 Fall Branch CDP, TN show little to no average snow and around 45.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 126 for ZIP 37656 (Fall Branch CDP, TN) 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.