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ZipNumbers

Fremont County · Iowa

ZIP code 51639

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 51639 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
884

ZCTA residents

Median income
$91,250

Household, past 12 months

Median home
$136,800

Owner-occupied value

Sales tax
6%

Iowa state rate

Quick answer

ZIP 51639 sits in Fremont County, Iowa and is home to 884 people. Median household income is $91,250, the median home is worth $136,800 and median gross rent is $758. 73% of households own their home, and purchases are taxed at 6% (Iowa state rate).

County
Fremont County

FIPS 19071

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 51639

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

Population
884ZIP 51639 residents
Median household income
$91,250Past 12 months, inflation adjusted
Median home value
$136,800Owner-occupied units
Median gross rent
$758Rent plus utilities, monthly
Median age
39.4 yrsAll residents
Homeownership rate
73%Owner-occupied households

Sales tax in 51639

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
10%Median rent ÷ median income
Price-to-income
1.5×Home value ÷ household income
Est. mortgage
$710/mo20% down, 30-yr at 6.75%
Poverty rate
9.4%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 51639 compares

ZIP 51639 against the median ZIP in Fremont County and across Iowa.

MeasureZIP 51639County medianState medianvs state
Median household income$91,250$76,736$71,182+28%
Median home value$136,800$140,900$151,550-10%
Median gross rent$758$746$808-6%
Population884416935-5%

Medians are computed across the 9 ZIP areas in Fremont County and the 970 ZIP areas in Iowa.

Statewide rank

Where this ZIP places among all 970 Iowa ZIP areas.

Income

richer than 85% of 937 state ZIPs

#142
Home value

above 40% of 922 state ZIPs

#551
Population

larger than 48% of 970 state ZIPs

#503

Comparable ZIP codes

Iowa ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
50216Guthrie County$91,250$199,400$1,032
51540Mills County$91,250$156,300
52165Winneshiek County$91,250$270,800$653
50054Jasper County$91,204$197,400$842
51022O'Brien County$91,133$169,400$788
52218Linn County$90,924$170,500$594

Nearby ZIP codes

Other ZIP codes filed under Fremont County.

ZIP 51639 questions

Common questions about this ZIP code.

Where is ZIP code 51639?
ZIP 51639 lies mostly in Fremont 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 51639?
Iowa charges 6% statewide, plus any county, city or district rate that applies locally.
Is 51639 expensive to live in?
Median rent runs $758 a month, about 10% of median household income, and the median home is worth $136,800-10% 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 51639, 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.