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ZipNumbers

Marshall County · Iowa

ZIP code 50120

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 50120 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
503

ZCTA residents

Median income
$140,313

Household, past 12 months

Median home
$177,700

Owner-occupied value

Sales tax
6%

Iowa state rate

Quick answer

ZIP 50120 sits in Marshall County, Iowa and is home to 503 people. Median household income is $140,313, the median home is worth $177,700 and median gross rent is . 86.7% of households own their home, and purchases are taxed at 6% (Iowa state rate).

County
Marshall County

FIPS 19127

State
Iowa (IA)

970 ZIPs covered

Area codes
Not published

No NANPA match for this ZIP

Metro area
Outside covered metros

Rate jurisdiction used for tax

The numbers for 50120

American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.

Population
503ZIP 50120 residents
Median household income
$140,313Past 12 months, inflation adjusted
Median home value
$177,700Owner-occupied units
Median gross rent
Rent plus utilities, monthly
Median age
51.9 yrsAll residents
Homeownership rate
86.7%Owner-occupied households

Sales tax in 50120

What a purchase inside this ZIP costs at checkout.

Rate applied
6%State base rate only
Tax on $100
$6Rounded to the dollar
Tax on $1,000
$60Before any exemptions

Iowa levies 6% statewide, and counties, cities and special districts inside this ZIP can add their own local rate on top. Check the county page for the local component before you quote a price.

Affordability in this ZIP

Derived from the Census medians above — indicative, not an offer.

Rent burden
Median rent ÷ median income
Price-to-income
1.3×Home value ÷ household income
Est. mortgage
$922/mo20% down, 30-yr at 6.75%
Poverty rate
3.4%Residents below poverty line

A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.

How 50120 compares

ZIP 50120 against the median ZIP in Marshall County and across Iowa.

MeasureZIP 50120County medianState medianvs state
Median household income$140,313$75,625$71,182+97%
Median home value$177,700$130,500$151,550+17%
Median gross rent$744$808
Population503537935-46%

Medians are computed across the 13 ZIP areas in Marshall County and the 970 ZIP areas in Iowa.

Statewide rank

Where this ZIP places among all 970 Iowa ZIP areas.

Income

richer than 99% of 937 state ZIPs

#6
Home value

above 65% of 922 state ZIPs

#324
Population

larger than 31% of 970 state ZIPs

#672

Comparable ZIP codes

Iowa ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
52328Linn County$132,833$343,000$962
50001Warren County$131,350$352,300$1,408
50325Polk County$131,082$379,000$1,099
50261Madison County$150,341$318,600$979
50109Polk County$130,263$337,400$923
50061Madison County$130,250$516,600$1,406

Nearby ZIP codes

Other ZIP codes filed under Marshall County.

ZIP 50120 questions

Common questions about this ZIP code.

Where is ZIP code 50120?
ZIP 50120 lies mostly in Marshall County, Iowa. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
What sales tax do I pay in 50120?
Iowa charges 6% statewide, plus any county, city or district rate that applies locally.
Is 50120 expensive to live in?
Median rent runs a month, and the median home is worth $177,700+17% against the typical Iowa ZIP.
Is a ZCTA the same as a postal ZIP code?
Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.

Related pages for this area.

Sources & transparency

Every figure on this page is a published estimate for ZIP Code Tabulation Area 50120, except the affordability ratios and mortgage estimate, which we derive from those medians and label as estimates.

Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.