Madison County

Madison County sits at a median home price of $755,719, a figure that immediately frames the core challenge here: rent levels in this sparsely populated Montana county simply cannot support that asset value. The cap rate and cash-on-cash return both land at zero by the model's calculation, which is not a data gap but an editorial verdict, the gross rent yield cannot cover operating costs at this price point. The affordability index of 8 out of 100 confirms the disconnect between prices and local incomes. Year-over-year home price appreciation of 2.03% is modest in absolute terms but represents the entire investment thesis for this county, what you are buying is land, scenery, and the slow-burn appreciation that comes with both. Madison ranks 667th out of 1,000 counties nationally, landing in the 15th percentile overall, and 42nd out of 56 counties in Montana. Those rankings are a clear signal: this is not a rental income market.

The market suits exactly one buyer profile: the long-horizon appreciation investor who either self-uses the property part of the year or is comfortable carrying negative or flat cash flow while waiting for asset appreciation. A cash-flow buyer has no business here at $755,719 median. A value-add operator needs a tenant base and rental liquidity to execute a business plan; with a county population of 8,742, transaction volume and tenant depth are thin enough to make that strategy fragile. The appreciation buyer, particularly one acquiring a lifestyle property in the Madison Valley corridor, is the rational actor, but they need to enter with eyes open that the income side of the ledger will not pull its weight.

No economic anchors were provided for Madison County, so employment base and demand drivers cannot be assessed from the data at hand. What the population figure does say is that at 8,742 residents, the rental demand pool is structurally limited. Thin population means limited tenant competition for units, longer vacancy exposure between tenancies, and fewer comps to support appraisals on a refinance. Any investor underwriting to a specific rent assumption here should treat that number with extra conservatism given the market's size.

On carry costs, the state-average effective property tax rate of 0.83% is flagged as normal, which is a relative tailwind compared to many other states. On a $755,719 purchase that translates to $6,272 annually in estimated property taxes. Insurance at 0.38% adds another $2,872 per year. Combined, taxes and insurance run approximately $762 per month before you touch mortgage principal and interest. With a 20% down payment of $151,144 and a 6.85% rate, the debt service on the remaining $604,575 is material. The $762 monthly tax-and-insurance load alone means any rental income scenario needs to generate meaningful gross rent just to cover non-debt operating costs, which loops back to the core problem: this market does not produce that rent at this price. The tax rate caveat in the data is worth repeating, the 0.83% is a state-average estimate from Tax Foundation 2024, and actual Madison County or township-level rates may differ, so verify with the county assessor before finalizing your underwrite.

The concentrated risk here is threefold. First, illiquidity: at 8,742 people, buyer pool depth on exit is narrow, and you are largely dependent on the same out-of-state lifestyle buyer finding the market when you want to sell. Second, income concentration risk is unknown from the data, but small rural counties in Montana are frequently tied to a single industry or seasonal economy, which can move prices in one direction quickly. Third, there is no rental market data provided for Madison, which is itself a signal; markets with thin rental activity often do not generate enough transaction volume to establish reliable rent comparables.

Compared to its neighbors, Madison is the clear outlier on price. Beaverhead County sits at $375,877, Yellowstone County at $390,156, Lewis and Clark County at $450,626, and Sanders County at $408,232. Prairie County comes in at $121,659. Yellowstone County, the most complete comparison in the data, shows a rent-to-price ratio of 0.044 and a median rent of $1,431 on a $390,156 median price, suggesting meaningfully better cash-flow potential at roughly half Madison's price point. Lewis and Clark County shows a 0.041 rent-to-price ratio at $450,626. Both score one to two points higher than Madison on overall score. An investor primarily motivated by rental income should look hard at Yellowstone or Lewis and Clark before committing capital to Madison. The only reason to choose Madison over those neighbors is a specific thesis around land appreciation, lifestyle utility, or a property type, think ranch parcels or vacation cabins, that simply does not exist in the same form in the more urban alternatives. Go in knowing that the income statement will not justify the purchase price; the case here is entirely on the balance sheet.