If you're keeping an eye on the housing market, you know that prices have been a hot topic. Well, the data is in for the last quarter of 2025, and it shows some serious upward movement in home values in specific areas across the United States. According to ATTOM's Q4 2025 U.S. Home Affordability Report, a definitive look at the housing market reveals that Jefferson County, Alabama saw the most significant jump in median home prices, with an impressive 31% year-over-year increase. This report gives us a crucial snapshot of where the housing market is heating up fastest.
It’s easy to feel a bit overwhelmed by all the real estate news out there, especially with prices constantly shifting. What I've learned from years of following these trends is that while the national picture is important, the real story often lies in the more local data. These specific county-level gains tell us a lot about what's driving demand, what kind of economic activity is happening, and where people are finding opportunities. It's not just about numbers; it’s about the pulse of communities.
Understanding the Housing Price Surge: What's Driving These Gains?
Before we dive into the specific counties that made the biggest leaps, it's important to understand why these price increases are happening. ATTOM's report paints a picture where, for the most part, buying a home became less affordable in nearly every county analyzed. This isn't necessarily a surprise, given that the national median home price has stayed stubbornly near a record high.
However, there's a small glimmer of hope: affordability actually improved from the third to the fourth quarter of 2025 in a significant chunk of counties (86%). This suggests that while overall affordability is a challenge, some markets are seeing a slight easing of pressure, perhaps due to new inventory or a temporary slowdown in price growth within that quarter.
Over the last five years, we've seen a substantial 54% rise in the median home sales price, reaching $365,185 in Q4 2025. Compare that to wages, which, according to the U.S. Bureau of Labor Statistics for the second quarter of 2025, only rose by 29%. This gap highlights the ongoing affordability challenges many homeowners and aspiring buyers are facing.
Of the counties analyzed by ATTOM that met a population threshold of at least 100,000 residents and had at least 50 home sales in Q3 2025, a considerable number (69.5%) experienced year-over-year price increases. These are the counties that are truly showing the most dynamic growth.
Top 10 Counties With the Biggest Home Price Gains in Q4 2025
Now, let's get to the exciting part – the counties where home prices have seen the most dramatic year-over-year increases, according to ATTOM's Q4 2025 report. These are the places that have experienced significant appreciation in home values.
Here are the top 10:
- #10 – Oswego County, New York
- Year-over-Year Percentage Change in Median Home Price: 19%
- Q4 2025 Median Sales Price: $184,369
- Oswego County, situated on the shores of Lake Ontario, is seeing its housing market heat up. This increase suggests growing demand, potentially driven by its natural beauty, access to outdoor activities, and perhaps a spillover effect from more expensive neighboring areas.
- #9 – Jefferson County, New York
- Year-over-Year Percentage Change in Median Home Price: 20%
- Q4 2025 Median Sales Price: $208,000
- Another New York county making the list, Jefferson County, home to Fort Drum and the Thousand Islands region, is experiencing a notable rise in home values. This could be linked to economic stability from military presence, tourism, and a general increase in desirability.
- #8 – Calcasieu Parish, Louisiana
- Year-over-Year Percentage Change in Median Home Price: 20%
- Q4 2025 Median Sales Price: $199,000
- Located in southwestern Louisiana, Calcasieu Parish is showing strong home price growth. This region is known for its industrial base, particularly in petrochemicals and energy. Economic growth in these sectors often translates directly into a stronger housing market.
- #7 – Dallas County, Iowa
- Year-over-Year Percentage Change in Median Home Price: 20%
- Q4 2025 Median Sales Price: $358,500
- This Iowa county, part of the Des Moines metropolitan area, is experiencing robust price appreciation. As a growing suburban area, it likely benefits from job opportunities in the capital city and a desirable quality of life for families.
- #6 – Mercer County, Pennsylvania
- Year-over-Year Percentage Change in Median Home Price: 21%
- Q4 2025 Median Sales Price: $133,500
- Mercer County is demonstrating a significant jump in its housing market. While the median price is still relatively low compared to some others on this list, a 21% increase is substantial and indicates a surge in demand and possibly a correction from previous lower valuations.
- #5 – Lorain County, Ohio
- Year-over-Year Percentage Change in Median Home Price: 21%
- Q4 2025 Median Sales Price: $255,000
- Situated west of Cleveland, Lorain County is seeing its home values climb. Proximity to a major metropolitan area, along with its own developing economy and attractive communities, likely contributes to this price growth.
- #4 – Madison County, Illinois
- Year-over-Year Percentage Change in Median Home Price: 22%
- Q4 2025 Median Sales Price: $220,000
- Madison County, across the Mississippi River from St. Louis, Missouri, is experiencing impressive home price gains. This region often benefits from the economic influence of its larger neighbor, coupled with its own local development and housing market dynamics.
- #3 – Lancaster County, South Carolina
- Year-over-Year Percentage Change in Median Home Price: 23%
- Q4 2025 Median Sales Price: $265,297
- This South Carolina county is a standout performer with a 23% increase. Its location in the rapidly growing Charlotte metropolitan area is a significant factor. As Charlotte continues to attract businesses and people, its surrounding counties often see a corresponding boom in housing demand and prices.
- #2 – Potter County, Texas
- Year-over-Year Percentage Change in Median Home Price: 25%
- Q4 2025 Median Sales Price: $196,875
- In the Texas Panhandle, Potter County, which includes Amarillo, is showing a substantial 25% leap in home prices. The energy sector and agricultural presence in this part of Texas are strong economic drivers that can directly influence the real estate market.
- #1 – Jefferson County, Alabama
- Year-over-Year Percentage Change in Median Home Price: 31%
- Q4 2025 Median Sales Price: $196,000
- Taking the top spot, Jefferson County, Alabama, with Birmingham as its hub, has seen an extraordinary 31% increase in median home prices. This significant gain suggests a dynamic economic environment, potentially driven by job growth, an influx of new residents, or perhaps a rebound in a market that was previously undervalued. Birmingham has been making strides in diversifying its economy, and this housing data certainly reflects that progress.
My Take: What These Numbers Really Mean
From my perspective, these county-level reports are far more telling than just broad national statistics. When you see a county like Jefferson in Alabama jump by 31%, it’s not arbitrary. It points to underlying economic strength, increased desirability, and a robust demand that's outstripping supply. It’s a sign that that particular community is becoming a more sought-after place to live.
I do notice a trend where counties adjacent to or within commuting distance of major metropolitan areas (like Dallas County, Iowa, near Des Moines; Lorain County, Ohio, near Cleveland; Madison County, Illinois, near St. Louis; and Lancaster County, South Carolina, near Charlotte) are showing significant gains. This “spillover effect” is a common pattern. As housing becomes less affordable in the core cities, buyers look to surrounding areas, driving up prices there.
It's also interesting to see counties with strong industrial or energy sectors (Calcasieu Parish, Louisiana; Potter County, Texas) also appear. These sectors can create well-paying jobs, attracting people and bolstering local economies, which naturally heats up the housing market.
While these price gains are positive for homeowners, they definitely underscore the ongoing challenge of affordability for new buyers. The gap between wage growth and home price appreciation remains a critical issue that policymakers and market participants will need to address. It makes me wonder about the long-term sustainability of these rapid increases and what they mean for the next generation of homebuyers.
Ultimately, the ATTOM Q4 2025 U.S. Home Affordability Report and these specific county figures offer a fascinating glimpse into a housing market that continues to evolve. Keeping an eye on these trends can provide valuable insights for buyers, sellers, and anyone interested in the economic health of these communities.
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