Big Horn County, Montana — 2026 Loan Limits & Market Data

Big Horn County is a small county in Montana with a population of approximately 12,796 residents spread across 4,995 square miles. The county is a sparsely populated rural area with just 3 residents per square mile, which shapes both the local housing market and the types of properties available to buyers.

For 2026, the conforming loan limit in Big Horn County is $832,750 for a single-family home, which is the national baseline. FHA borrowers can access loans up to $541,287 for a one-unit property. These limits determine the maximum loan amount available through conventional and government-backed financing before buyers would need to seek jumbo loans, which carry different qualification requirements and typically require higher down payments.

The rural character of Big Horn County means the housing market tends to feature larger lots and more land-inclusive properties compared to urban areas. Inventory may be more limited but prices are generally more accessible. The county covers 18 ZIP codes, and market conditions can vary between small towns and unincorporated areas. Exploring individual ZIP codes below provides specific pricing and market trend data for each community.