House Prices

House Prices & Home Values Portsmouth, IA 2026


Average Data

average house price$186,683
average size per house1834 ft²
average price per ft²102 $ / ft²

04/18/2026 - The value range (VR) for house prices in Portsmouth, IA is $102/ sqft to $102/ sqft. An average home with 1834 sqft costs approximately $187,068 to $187,068. Portsmouth, IA includes 1 ZIP codes and it is located in Shelby county. The lowest prices are found in ZIP 51565, while the highest are in ZIP 51565. The average price per sqare feet is $102. Our analysis is based on 3 property listings.

Avergage prices by ZIP codes Portsmouth

51565102 $ / ft²




Historical development of home values in Portsmouth

Year Estimated value (USD) Change vs. 2025
2010 $86,699 -53.6%
2011 $83,346 -55.4%
2012 $83,122 -55.5%
2013 $86,229 -53.8%
2014 $90,516 -51.5%
2015 $95,162 -49.0%
2016 $100,128 -46.4%
2017 $105,533 -43.5%
2018 $111,367 -40.3%
2019 $116,531 -37.6%
2020 $122,555 -34.4%
2021 $139,393 -25.3%
2022 $162,501 -13.0%
2023 $171,365 -8.2%
2024 $181,279 -2.9%
2025 $186,683 0.0%

Graph: estimated home values in Portsmouth over time (USD)



Example: 100% financing house in Portsmouth

Loan amount: $186,683

Interest rate: 6.00%

Fixed monthly payment: $1,119.26

Breakdown in the 1st month:
Interest portion: $933.42  –  Principal portion: $185.84

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $11,138.62 $2,292.49 $184,390.51
2 $10,997.22 $2,433.88 $181,956.63
3 $10,847.11 $2,584.00 $179,372.62
4 $10,687.73 $2,743.38 $176,629.25
5 $10,518.52 $2,912.58 $173,716.66
6 $10,338.88 $3,092.22 $170,624.44
7 $10,148.16 $3,282.95 $167,341.49
8 $9,945.68 $3,485.43 $163,856.06
9 $9,730.70 $3,700.40 $160,155.66
10 $9,502.47 $3,928.64 $156,227.02
11 $9,260.16 $4,170.95 $152,056.07
12 $9,002.90 $4,428.20 $147,627.87
13 $8,729.78 $4,701.32 $142,926.55
14 $8,439.82 $4,991.29 $137,935.26
15 $8,131.96 $5,299.14 $132,636.11
16 $7,805.12 $5,625.98 $127,010.13
17 $7,458.13 $5,972.98 $121,037.15
18 $7,089.73 $6,341.38 $114,695.77
19 $6,698.60 $6,732.50 $107,963.27
20 $6,283.36 $7,147.75 $100,815.51
21 $5,842.50 $7,588.61 $93,226.91
22 $5,374.45 $8,056.66 $85,170.25
23 $4,877.53 $8,553.57 $76,616.68
24 $4,349.97 $9,081.14 $67,535.54
25 $3,789.86 $9,641.24 $57,894.29
26 $3,195.21 $10,235.89 $47,658.40
27 $2,563.88 $10,867.22 $36,791.18
28 $1,893.62 $11,537.49 $25,253.69
29 $1,182.01 $12,249.10 $13,004.59
30 $426.51 $13,004.59 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in Portsmouth, IA


1500 sqft3900 sqft
Ø selling price$185,131$393,823
Ø fast selling$168,300$354,440
Ø high price sale$201,961$433,205

In 2026, houses in Portsmouth, IA will be offered at an average price of $102 per square foot. A 1,500 sqft home priced at $185,131 is 22.89% more expensive per square foot than a 3,900 sqft home priced at $393,823. Home prices in Portsmouth, IA vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $272,646. Sellers who can wait longer may achieve a higher price of up to $333,234.

FAQ – Home Values in Portsmouth

What is the median home value in Portsmouth in 2026?

In 2026, the typical home value in Portsmouth is about $186,683 for an average home size of 1834 square feet. This corresponds to an average price of roughly $102 per square foot.

What is the average cost per square foot in Portsmouth?

In 2026, homes in Portsmouth sell for an average of around $102 per square foot, with a typical range between $102 and $102 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in ?

The average home size in Portsmouth is about 1834 square feet, with an estimated 2026 value around $186,683.



Locations close to Portsmouth, IA

Red Oak, IA71 $ / ft²
Shelby, IA108 $ / ft²
Silver City, IA108 $ / ft²
Pisgah, IA95 $ / ft²
Persia, IA114 $ / ft²
Panama, IA72 $ / ft²
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