Marathon County

Marathon County's numbers tell a clear story before you even open a spreadsheet. At a median home price of $277,479 and median rent of $974.83, the gross rent-to-price ratio sits at 0.042, which is well below the threshold most cash-flow investors want to see. The model underwrite confirms it: at 6.85% financing, a 20% down payment produces a monthly mortgage of $1,455, and after expenses the estimated cash flow is negative $821 per month, translating to a cash-on-cash return of -15.44%. The cap rate of 2.74% is thin, pricing this market closer to a bond than an income-producing asset at current rates. What partially redeems the picture is price appreciation: home values rose 9.17% year-over-year, and the appreciation score of 82 out of 100 reflects that Marathon has been moving. The affordability index of 71 tells you prices haven't yet reached the stratosphere, which is one reason appreciation has had room to run.

Given those numbers, Marathon is not a county you buy for day-one cash flow. The cash-flow score of 33 makes that explicit. The investor this market suits is someone buying for equity accumulation, willing to carry a monthly deficit in exchange for price appreciation, and who has the reserves and income to sustain negative carry for several years. A value-add operator might find a narrower opportunity, if a distressed asset can be acquired meaningfully below the $277,479 median, renovated, and either refinanced into a lower debt-service number or flipped, but the base-case rent of roughly $975 per month makes it very hard to make the numbers work at market-rate purchase prices and today's interest rates. A pure cash-flow buyer should look elsewhere. An appreciation buyer with a long hold horizon and the liquidity to cover the shortfall has a more defensible thesis here, particularly given the county's affordability relative to Wisconsin's more expensive suburban markets.

Marathon County anchors around Wausau, the county seat, which provides a regional service and manufacturing base that supports consistent rental demand from working households. That population base of 137,820 is large enough to support meaningful rental inventory and tenant competition, reducing the single-asset concentration risk you'd find in a smaller county. Economic stability scores at 50 out of 100, suggesting the county is neither a standout for job security nor a serious concern, roughly middle-of-the-pack for Wisconsin. The overall score of 57 and a state rank of 51 out of 72 counties confirms this is a median performer, not a county with a structural edge over its peers.

The tax and insurance carry costs deserve serious attention in any underwrite. At Wisconsin's state-average effective property tax rate of 1.85%, the annual tax bill on a $277,479 property comes to approximately $5,133, and insurance adds another $638 per year, combining to $481 per month in tax and insurance alone before you account for debt service or maintenance. That 1.85% rate is flagged as high, and at that level it is a genuine underwriting line item, not a rounding error. One caution: this is a state-average effective rate based on Tax Foundation 2024 data, and actual rates in specific Marathon County townships or municipalities may differ, so pull the actual tax bill on any property you underwrite rather than relying on the state average.

The specific risk to flag here is the negative carry concentration risk. If appreciation softens or stalls, an investor is left holding an asset generating -$821 per month with no equity tailwind to compensate. The strategy requires continuous confidence in appreciation to justify the deficit, and Marathon's 9.17% YoY gain may not be sustainable at that pace. There are no vacancy or regulatory data points in the provided inputs to call out separately, so those risks should be assessed through local diligence rather than assumed away.

Against its neighbors, Marathon is the most affordable option in this comparison set, with a median home price of $277,479 well below Jefferson County's $346,047, Saint Croix County's $401,930, and Washington County's $404,889. Despite that price advantage, the rent-to-price ratios across neighbors are modestly higher, with Chippewa County at 0.0443, Jefferson at 0.0436, and Washington at 0.0453 versus Marathon's 0.0422, meaning Marathon's relative affordability is not translating into proportionally stronger rent income. Saint Croix County shows the highest rent-to-price ratio in the group at 0.0514, making it the better cash-flow candidate among neighbors despite carrying a $401,930 median price. Overall scores are essentially tied across all five neighbors, ranging from 56 to 58, with Marathon at 57. Choose Marathon over these neighbors if your primary thesis is buying into a lower-priced asset base in a county that has shown strong recent appreciation, and you have the capital to carry the monthly deficit, not if you need the rent to come close to covering expenses.