ZIP Code 37709 — Blaine city, TN Demographics & Data

ZIP code 37709 covers Blaine, TN in Grainger County with a population of about 3,948.

At a glance, the area shows median age of 39.8 (near the U.S. median).

It sits in telephone area code 865; U.S. House district TN-2; the KNOXVILLE media market.

Median household income in ZIP 37709 is about $61,509 — about 18% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 14.7%; unemployment rate near 5.5%; 17.8% of adults with a bachelor’s degree or higher (about 15.9 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Healthcare, and Retail trade; about 11.8% of workers reporting work-from-home (about 3.4 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 $238,600 — about 31% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $765 (about 34% below the U.S. median rent ($1,163)), and owner-occupancy near 77.2% (about 11.8 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 37709 in Blaine, TN, a household would need roughly $66,000 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 $1,533. That is roughly in line with the local median household income ($61,509). 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 Blaine city, TN as Very Low (composite score 18.6), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (48.7) and flood (33.6). 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 Blaine city, TN show little to no average snow and around 48.5 inches of annual precipitation.

IRS migration statistics show a net inflow of about 140 for ZIP 37709 (Blaine city, 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.