Lake County

South DakotaPopulation: 11,207
62
/100
Buy
#316 of 1,000 counties
#26 in South Dakota (50 counties)
Analysis by RentalCalcs ResearchIndependent data + algorithm-driven scoring
Updated August 7, 2026Sources: Zillow ZHVI, Zillow ZORI, US Census ACS, Tax Foundation

Market Snapshot

$317,893
Median Home Price
39% above national median
$19,208/mo
Est. Rent
Based on regional data
6.04%
Rent-to-Price Ratio
Estimated from price data
+$0
Est. Monthly Cash Flow
With 20% down at 6.9% rate

Lake market analysis

Lake County, South Dakota sits at a median home price of $317,893 with year-over-year appreciation of 2.1%, an affordability index of 62, and an appreciation score of 71 out of 100. The cash flow score, however, is zero, which tells you most of what you need to know about the near-term income picture. Without a cap rate or rent-to-price ratio in the provided data, the market's yield profile cannot be precisely quantified here, but the appreciation-heavy scoring and the absence of meaningful cash flow metrics place this county firmly on the appreciation end of the spectrum. Investors should go in with clear eyes: this is not a market you buy for day-one income.

That scoring profile points to a specific buyer type. If you are an appreciation-oriented investor comfortable with carrying costs while you wait for price gains, Lake County's 71 appreciation score and its positioning at the 60th percentile nationally (rank 316 of 1,000) give you a reasonable entry thesis. The 2.1% annualized price growth is modest in absolute terms but steady in a small-population county of roughly 11,200 residents. A cash flow buyer or a value-add operator looking to force equity through rent increases will find this market harder to justify: zero cash flow score means the spread between rents and carrying costs is thin to negative at current prices, and there is no data here suggesting a distressed or discounted acquisition pipeline that would change that calculus. This is a hold-and-appreciate play, not a grind-the-numbers income play.

On the economic side, no employer anchors or economy notes were provided for Lake County, so no specific demand drivers or job-base commentary can be offered. Investors should do their own diligence on the local employment base before committing, particularly given the small population. An 11,200-person county has a shallow renter pool by definition, which concentrates your occupancy risk around a small number of potential tenants relative to larger metro markets.

Carry costs deserve attention here. At the state-average effective property tax rate of 1.28%, the annual tax bill on a $317,893 purchase comes to approximately $4,069. Combined with estimated annual insurance of $1,144, you are looking at $434 per month in tax and insurance alone before you touch mortgage principal, interest, maintenance, management, or vacancy reserves. With a 20% down payment of $63,579 and a 6.85% interest rate, the mortgage payment on the remaining balance adds meaningfully to that monthly burden. The 1.28% rate is flagged as "normal" relative to state averages, so it is not an outsized headwind, but it is also not a tailwind. Carry this number carefully in your model and remember it reflects a state-average estimate; your actual county or township rate may differ from what is shown here.

The primary risk in Lake County is concentration and scale. An 11,200-person population means limited rental demand depth, limited buyer liquidity when you eventually exit, and sensitivity to any single employer contraction or demographic shift. If one anchor institution, a university, a hospital, or a regional employer, softens its headcount, vacancy in a market this small can move quickly. No vacancy or crime data was provided, so no statistical claim is made here, but thin population depth is itself the structural risk worth underwriting conservatively.

Compared to the neighboring counties in the data, Lake County sits at the higher end of the price range. Edmunds County at $214,525 and Hutchinson County at $213,908 both come in roughly $100,000 cheaper with matching or near-matching overall scores of 62 and 60, respectively. Brookings County, at $307,689 and a rent-to-price ratio of 0.0564, is the clearest comparison point: it is priced $10,000 below Lake, has the same overall score of 62, and actually has rent data showing a $1,447 median rent. That rent-to-price ratio of 5.6% is a real number you can underwrite, which Lake County's data does not currently provide. Tripp County scores highest of the neighbors at 64, priced at $279,487. For a cash flow buyer, Brookings gives you a yield you can model and a slightly lower entry price; for a deep discount entry, Edmunds or Hutchinson offer sub-$215,000 price points. Lake County makes the most sense over its neighbors if you specifically want the combination of its appreciation score of 71, South Dakota's tax environment, and a lakeside or amenity-driven demand story you believe will sustain price growth, and you are not depending on the asset to cover its own costs near-term.

Last analyzed August 7, 2026. Based on the latest available Zillow and Census data for Lake County.

Price History

Median Home Price

Median Rent

Historical data from Zillow ZHVI/ZORI

Score Breakdown

Overall Investment Score
62/100
62
Cash Flow(30%)
0/100

Rent data not available for cash flow calculation.

Appreciation(25%)
71/100

Based on 2.1% YoY price growth. Moderate growth (3-8%) scores highest.

Stability(25%)
50/100

Population data not available.

Affordability(20%)
62/100

Based on price relative to estimated local incomes.

Scores are calculated using real Zillow home value and rent data, Census population data, and economic indicators. The weighted average produces the overall investment score. Markets with missing rent data use estimated values based on regional averages.

Investment Outlook

Strengths

No significant strengths identified based on current data.

Challenges

  • -Negative leverage (cap rate 0.0% < mortgage rate 6.9%)
  • -Limited rent data (estimates used)

Economic Indicators

Population
11,207
Median Income
Data pending
Unemployment Rate
Data pending
Price-to-Income
Data pending

Who this market fits

Skip if
  • You can't tolerate negative leverage (cap rate below mortgage rate today)

Compare to Nearby Counties

CountyVerdict
TrippSD
64$279,487Est. pendingBuyView
Fall RiverSD
63$279,151Est. pendingBuyView
CurrentLakeSD
62$317,893Est. pendingBuy
EdmundsSD
62$214,525Est. pendingBuyView
BrookingsSD
62$307,689$1,4475.64%BuyView
HutchinsonSD
60$213,908Est. pendingBuyView

The Bottom Line

BuyLake offers solid investment potential with roughly break-even cash flow at typical financing.

Lake County in South Dakota scores 62/100, ranking #316 of 1,000 US counties (top 40%). At 20% down and current rates, a median-priced rental roughly breaks even on cash flow. The deal works on appreciation or with better terms, not on month-one cash flow.

Monthly Cash Flow
+$0/mo
Cap Rate
0.0%
Cash-on-Cash
0.0%

Related markets

Frequently asked questions

The median home price in Lake County is $317,893, positioning it as a mid-priced market in South Dakota. This is higher than several neighboring counties like Edmunds County ($214,525) and Hutchinson County ($213,908), but comparable to Brookings County ($307,689).

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