Plymouth County, IA Average Home Price (2026)

The average home price in Plymouth County, Iowa is about $279,000 (the 2026 median across 9 ZIP codes, at ~$148/sq ft) — 34% more expensive than the Iowa median and 3% more affordable than the typical U.S. home.

$279,000
Median home value
$148
Median price / sq ft
9
ZIP codes with data
+34%
vs Iowa median

How Plymouth County compares

Plymouth County is about average for housing nationally: its typical home costs $279,000 against $207,500 for Iowa and $289,000 for the U.S. Within the county, ZIP-level values run from about $176,000 to $391,000.

AreaTypical value$ / sq ft
Plymouth County$279,000$148
Iowa$207,500$133
United States$289,000$193

Plymouth County home prices by ZIP code

The 9 most valuable ZIP codes in Plymouth County (of 9 with data):

ZIP codeTypical value$ / sq ftvs county
51024 Hinton$391,000$146+40%
51062 Westfield$356,000$184+28%
51038 Merrill$286,000$92+3%
51031 Le Mars$279,000$149+0%
51050 Remsen$279,000$121+0%
51028 Kingsley$255,000$148-9%
51108 Sioux City$253,000$164-9%
51001 Akron$236,000$131-15%
51109 Sioux City$176,000$165-37%

Home value appreciation in Plymouth County

Home prices in Plymouth County have risen about 70% over the last 10 years (≈5.5% a year) and +103.8% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +4.3% — still rising. A home worth $279,000 today was worth roughly $163,732 ten years ago.

+4.3%
1-year change
+43.0%
5-year change
+70.4%
10-year change
+103.8%
20-year change

See where that trend takes a specific home with the home appreciation calculator — statewide, Iowa is +65.4% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.

Calculators for Plymouth County

Run the numbers for Plymouth County with the local rates already filled in — change any input to test your own situation.

Salary needed to buy a home in Plymouth County

To buy the typical $279,000 home in Plymouth County with 20% down, you need a household income of roughly $76,000 a year (about $1,770 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $90,000, because the loan is bigger and mortgage insurance kicks in.

Down paymentCash downMonthly paymentIncome needed
5% (+PMI)$14,000$2,200/mo$94,000/yr
10% (+PMI)$27,900$2,100/mo$90,000/yr
20%$55,800$1,770/mo$76,000/yr

Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.

What your budget buys in Plymouth County

At about $148 per square foot, here is roughly how much home different budgets get you in Plymouth County:

BudgetApprox. sizeWhat that looks like locally
$150k1010 sq ftbelow the local median — condos, smaller or older homes
$200k1350 sq ftbelow the local median — condos, smaller or older homes
$250k1690 sq ftaround the typical home here
$300k2030 sq ftaround the typical home here
$400k2700 sq ftabove the median — larger homes or the pricier ZIPs

Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Iowa.

Estimate a specific home in Plymouth County

Enter your ZIP and size for an instant estimate tailored to your exact area:

Plymouth County home prices: frequently asked

What is the average home price in Plymouth County, IA? +
The typical home in Plymouth County, Iowa is worth about $279,000 as of 2026 (the median across its 9 ZIP codes with data), at roughly $148 per square foot — 34% more expensive than the Iowa median of $207,500 and 3% more affordable than the U.S. median.
What salary do you need to buy a house in Plymouth County? +
For the typical $279,000 home in Plymouth County, a household income of about $76,000 a year covers the payment with 20% down (a 30-year fixed at 6.5%, plus taxes and insurance, under the 28% rule). With 10% down you need roughly $90,000; with 5% down about $94,000.
Which part of Plymouth County is most expensive? +
Among the ZIP codes we track, 51024 (Hinton) is the priciest at about $391,000 and 51109 (Sioux City) the most affordable at about $176,000 — a 2.2× spread inside one county.
Are home values in Plymouth County going up? +
Over the last 10 years home prices in Plymouth County changed about +70.4% (≈5.5% a year), and +4.3% in the latest year, according to the FHFA house price index through 2025. Over 20 years: +103.8%. Past gains are not a guarantee of future ones.

Browse all Iowa cities and counties, or look up price per square foot by ZIP code nationwide.

Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.