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ZipNumbers

Rock Island County · Illinois

ZIP code 61257

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 61257 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
866

ZCTA residents

Median income
$62,000

Household, past 12 months

Median home
$116,300

Owner-occupied value

Sales tax
6.25%

Illinois state rate

Quick answer

ZIP 61257 sits in Rock Island County, Illinois and is home to 866 people. Median household income is $62,000, the median home is worth $116,300 and median gross rent is $1,641. 82.1% of households own their home, and purchases are taxed at 6.25% (Illinois state rate).

County
Rock Island County

FIPS 17161

State
Illinois (IL)

1,396 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 61257

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

Population
866ZIP 61257 residents
Median household income
$62,000Past 12 months, inflation adjusted
Median home value
$116,300Owner-occupied units
Median gross rent
$1,641Rent plus utilities, monthly
Median age
47.8 yrsAll residents
Homeownership rate
82.1%Owner-occupied households

Sales tax in 61257

What a purchase inside this ZIP costs at checkout.

Rate applied
6.25%State base rate only
Tax on $100
$6Rounded to the dollar
Tax on $1,000
$63Before any exemptions

Illinois levies 6.25% 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
32%Median rent ÷ median income
Price-to-income
1.9×Home value ÷ household income
Est. mortgage
$603/mo20% down, 30-yr at 6.75%
Poverty rate
16.3%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 61257 compares

ZIP 61257 against the median ZIP in Rock Island County and across Illinois.

MeasureZIP 61257County medianState medianvs state
Median household income$62,000$77,268$72,734-15%
Median home value$116,300$167,000$146,900-21%
Median gross rent$1,641$908$906+81%
Population8661,9461,856-53%

Medians are computed across the 17 ZIP areas in Rock Island County and the 1396 ZIP areas in Illinois.

Statewide rank

Where this ZIP places among all 1396 Illinois ZIP areas.

Income

richer than 30% of 1,344 state ZIPs

#944
Home value

above 33% of 1,335 state ZIPs

#891
Population

larger than 31% of 1,396 state ZIPs

#961

Comparable ZIP codes

Illinois ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
61778De Witt County$61,979$91,200
62810Jefferson County$61,964$109,400$838
61376Bureau County$62,045$123,700$881
61053Carroll County$61,932$105,400$763
61616Peoria County$62,083$118,000$921
60615Cook County$62,105$305,200$1,444

Nearby ZIP codes

Other ZIP codes filed under Rock Island County.

ZIP 61257 questions

Common questions about this ZIP code.

Where is ZIP code 61257?
ZIP 61257 lies mostly in Rock Island County, Illinois. 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 61257?
Illinois charges 6.25% statewide, plus any county, city or district rate that applies locally.
Is 61257 expensive to live in?
Median rent runs $1,641 a month, about 32% of median household income, and the median home is worth $116,300-21% against the typical Illinois 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 61257, 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.