HousingHandbookReference data

U.S. ZIP Code · IA51109

Plymouth County

Typical home value

$175,199[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
+9.7%
5-year / yr
+6.3%
10-year / yr
+7.6%

Relative price

vs U.S.
-38.3%
vs metro
vs state
-14.4%
ZIP 51109 location in IA
Location of ZIP 51109 in IA

Price history

Zillow Home Value Index — monthly, smoothed and seasonally adjusted.

The typical home in 51109 is worth $175,199. Over the past year, values have risen 9.7%. The effective property tax rate is 1.3%.

#Rent & investment

Typical asking rent, and the returns it implies at the current home value.

Monthly rent
[2]
Gross yield
[2]
Cap rate
[2]

#Property tax

Effective rate — total real estate taxes paid relative to total home value.

Effective tax rate
1.3%[3]
Typical annual tax
$2,362[3]

#Climate risk

FEMA National Risk Index ratings for Plymouth County. "Not Applicable" means the hazard does not threaten the county.

Overall risk
Relatively Low[4]
Riverine flood
Relatively Low
Coastal flood
Not Applicable
Wildfire
Relatively Low
Drought
Relatively Moderate
Heat wave
Relatively Low
Hurricane
Not Applicable
Tornado
Relatively Moderate
Earthquake
Very Low
Winter weather
Relatively Moderate

#Who lives here

Population
3,606[3]
Median household income
$79,034[3]

#Migration

Household moves in and out of Plymouth County over a year, from IRS tax-return data.

Net migration
-100[5]
Moved in
576
Moved out
676

Schools

Open public schools in this ZIP, from the NCES Common Core of Data.

Public schools
1
Elementary
1
Middle
0
High
0
  • Riverside Elementary School

    Elementary · Grades PK–5 · Sioux City Comm School District

    243 students

Run the numbers

Interactive calculators pre-filled with this ZIP's typical home value, rent, and property-tax rate. Edit any field to recompute.

Gross yield
Net yield (after ~40% expenses)
Annual rent

Gross and net yield are estimates based on the inputs and the selected expense ratio. Actual income and expenses will vary by property and market. Not investment advice.

Monthly payment$886
Loan principal$140,159
Down payment$35,040
Total interest paid$178,765

Estimated monthly payments include principal and interest only. Actual costs will include property tax, insurance, possibly PMI, and HOA fees not modeled here. Loan terms shown are estimates; consult a licensed lender for current rates and qualification.

Own : rent ratio
Monthly cost to own$1,229
Monthly rent

This calculator projects multi-year scenarios based on assumptions about appreciation, rent growth, and investment returns — none of which are guaranteed. Actual outcomes depend on variables this tool cannot know. Not financial or real estate advice.

#Metro ranking

Where this ZIP sits among others in its metro area.

Appreciation
[1]
Rental yield
[2]
Property tax
[3]

Frequently asked

How much is a home worth in ZIP code 51109?
The typical home in 51109 is worth $175,199, based on the Zillow Home Value Index.
Are home values rising in 51109?
Home values in 51109 are up 9.7% over the past year, and up 6.3% a year over five years.
What is the property tax rate in 51109?
The effective property tax rate in 51109 is 1.3% — roughly $2,362 a year on a typical home.
Who lives in 51109?
ZIP code 51109 has a population of 3,606 and a median household income of $79,034.

Compare ZIPs

Pit ZIP 51109 against any other ZIP — full side-by-side table.

Compare 51109

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