Erwin, Tennessee

Erwin population, 2020 to 2024

Erwin lost 45 residents from July 2020 to July 2024, a change of -0.7%. In the latest year it moved by +8. Among 104 Tennessee places of 5,000 or more, that growth ranks 90th; the median place changed by +4.0%. The median place of 5,000+ in Tennessee has 12,136 people, so Erwin is 50% of it.

Erwin covers 4.13 square miles of land, for 1,458 people per square mile of land. The median Tennessee place of 5,000+ has 947, so Erwin is denser than the typical town.

What county Erwin is in

All of Erwin's residents live in Unicoi County, which had 17,872 residents in 2024. Erwin holds 33.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Erwin

1 ZIP Code Tabulation Area (ZCTA) overlaps Erwin by at least 10% of the ZCTA's or the town's land: 37650. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a town that annexed land after 2020 may reach into ZIP codes not listed here.

Where Erwin is

The Census internal point of Erwin is at 36.145800, -82.412000. Nashville, the capital, is 243.9 miles W in a straight line. The nearest larger place is Jonesborough, TN (6,746 people), 11.0 miles away. The nearest city of 100,000 or more is Knoxville, TN, 86.7 miles away.

Daylight in Erwin

At 36.15° N, Erwin gets about 14 h 37 min of daylight around the June solstice and 9 h 42 min around the December solstice, a swing of 4 h 55 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Erwin

The eight nearest incorporated places of 1,000+ in Tennessee, measured between internal points. The closest is Unicoi, 7.0 miles away, with 3,845 people.