ZIP Code 37657 — undefined, TN Demographics & Data

ZIP code 37657 covers TN in Unicoi County with a population of about 839.

At a glance, the area shows median age of 43.9 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 37657 is about $71,581 — about 5% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 3.4%; unemployment rate near 0.0%; 27.4% of adults with a bachelor’s degree or higher (about 6.3 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Healthcare, and Retail trade; about 20.3% of workers reporting work-from-home (about 5.1 points above 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 $214,200 — about 38% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 89.0% (about 23.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 37657 in TN, a household would need roughly $59,000 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 $1,376. That sits below the local median household income ($71,581), suggesting the typical household income is closer to a workable buy-in level under these assumptions. 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 TN as Very Low (composite score 10.6), which is relatively lower than many U.S. communities. The strongest component scores on US5 are hurricane (34.2) and wildfire (32.5). 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 TN show little to no average snow and around 47.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 30 for ZIP 37657 (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.