Whiteside County, IL ZIP Codes

13 ZIP codes cover all or part of Whiteside County, Illinois. The Census Bureau counts 54,947 residents in the county, with a median household income of $67,500 and a median home value of $127,100. Median household income ranges from $59,861 in 61252 to $84,688 in 61250. Its largest communities include Sterling, Rock Falls, Morrison, Fulton and Prophetstown.

Whiteside County (Census county figures)

MeasureCensus figure
Residents54,947
Households23,120
Median household income$67,500
Median home value$127,100
Median age43
Median rent$856

All 13 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)57,317
Households (sum of ZIP codes)24,108
Median household income, range across ZIP codes$59,861 (61252) to $84,688 (61250)
Household-weighted average of ZIP medians (an approximation, not a true median)$67,500
Homeowners77.4%
Households with kids under 1827.4%
Moved in the past year7.4%
Carrier routes in EDDM2GO's route library19 routes, 6,916 homes (5 of 13 ZIP codes)

Top facts

Every ZIP code in Whiteside County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
61081Sterling20,8448,884$67,586$123,40072.8%26.8%5.2%——95% of its land
61071Rock Falls13,5815,810$60,508$102,30075.8%29.2%8.5%——89% of its land
61270Morrison6,9122,720$80,867$164,60083.1%28.1%9.8%83,03899% of its land
61252Fulton5,4372,318$59,861$141,50080.2%23.0%10.5%72,613100% of its land
61277Prophetstown3,0541,167$70,363$148,20076.5%24.3%12.2%——60% of its land
61250Erie2,7811,210$84,688$167,70080.8%37.7%2.7%287294% of its land
61283Tampico1,269488$64,063$122,30090.2%25.2%6.4%——51% of its land
61014Chadwick1,067477$69,329$103,80090.4%26.6%6.6%134015% of its land
61230Albany1,039410$62,344$138,60089.3%30.0%9.5%1400100% of its land
61261Lyndon656327$64,375$134,10089.3%17.1%3.9%——100% of its land
61251Fenton377158$79,464$190,90086.1%30.4%5.8%——100% of its land
61243Deer Grove15559$148,309$172,70084.7%15.3%5.2%——95% of its land
61037Galt14580$70,357$103,600100.0%18.8%0.0%——100% of its land

A ZIP code is listed for Whiteside County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Rankings

Price a mailing to Whiteside County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Whiteside County, IL?
61081, 61071, 61270, 61252, 61277, 61250, 61283, 61014, 61230, 61261, 61251, 61243 and 61037. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Whiteside County?
54,947 residents in 23,120 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Whiteside County?
$67,500 for the county as a whole. Its ZIP codes range from $59,861 (61252) to $84,688 (61250).
Which Whiteside County ZIP code has the highest median household income?
61250, at $84,688, among ZIP codes with at least 1,000 residents. See the full ranking of Whiteside County ZIP codes by income.
How many carrier routes and mailboxes are in Whiteside County?
For the 5 of 13 ZIP codes in EDDM2GO's stored route library: 19 carrier routes reaching 6,916 residential and 347 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.