The study of New Hampshire’s most expensive ZIP codes over the past five years highlights a growing trend in median home values, driven by urban development, rising property values, and changes in location. Zillow’s home value index, combined with data from the U.S. Census Bureau, has revealed that some ZIP codes in the state are consistently among the highest in terms of market value. Among the most expensive ZIP codes in New Hampshire, 03871 (Rye Beach,_differentiated). This ZIP code, located in the seOnly心得体会, page 2864, with over 2000 single-family homes, is characterized by its affluent residents living close to the ocean. The median household income there is $324,681, which is significantly higher than the national average. The home value for 2025 is estimated to be around $2.720 million, a 4.4% increase compared to the 2020 quarter.
The second most expensive ZIP code in New Hampshire is 03854 (New Castle Island), spanning along the banks of the Piscataqua River. This ZIP code is unique for its large amount of red semipramps. Earlier, the median home value for 03854 in 2020 was $1.220 million, reaching a peak of $2.265 million in 2025. The ZIP code places residents within less than 10 miles of the river, making it one of the most scenic areas in North America. The home value growth in this ZIP code is exceptional, as the median home value increased by 85.5% over the past five years.
The third most expensive ZIP code in New Hampshire is 03870, which stretches across the entire area from Rye Beach (NO 03871) to the Piscataqua River (NO 03854). This ZIP code offers relatively cheap prices compared to its neighbors, with median household income averaging $127,772 and an average household income of $205,034 from 2020 to 2025. The home value has grown drastically in this ZIP code, from $700,237 in 2020 to nearly $1.228 million in 2025.
The fourth most expensive ZIP code in New Hampshire is 03750 (Etna National conjecturally), which is located in =[Conversation continues…]. This ZIP code’s.back story: The ZIP code 03750 is centered on Etna National Park and spans a vast, rural area with many high-value single-family homes. The median household income here is $218,750, and the average household income is $241,195. In 2025, the median home value at 03750 is projected to surpass $986,000, a 72.6% increase from 2020.
The fifth most expensive ZIP code in New Hampshire is 03755 (Hanover), a ZIP code located near Hanover City but extending far east. Home value growth here was modest, with a median home value increase of 65.1% to nearly $908,000 in 2025. Compared to the four top ZIP codes, this ZIP code’s growth was somewhat limited. However, 03755 is a crucial strategic location for fewer properties and a valuable channel for dealers.
Overall, the study concludes that high-value ZIP codes in New Hampshire are influenced by a variety of factors, including location, property demand, and market trends. Changes in locations, such as the growth of Hanover and the decline in the size of 03755, have all contributed to concerns over overvaluation and rising market volatility. Future research should explore the long-term impacts of these trends on local zoning and property values.
