ZIP 59631

ZIP 59631 is in the Helena, MT market. Market numbers below; the ZIP's rank is on the map.

Median cap rate

: 2.1%.

Median IRR

: 2.6%.

Median list price

: $634,950.

Appreciation

: 4.3%/yr .

Rent growth

: 3.2%/yr .

Sources: FHFA House Price Index® (developmental annual index), U.S. Census Bureau ACS 5-year estimates, and Rescover analysis of public listings under system-default underwriting, updated September 2026.