Hancock County, IL ZIP Codes

17 ZIP codes cover all or part of Hancock County, Illinois. The Census Bureau counts 17,281 residents in the county, with a median household income of $65,865 and a median home value of $113,800. Median household income ranges from $58,000 in 62367 to $76,825 in 62321. Its largest communities include Hamilton, Carthage, Warsaw, La Harpe and Nauvoo.

Hancock County (Census county figures)

MeasureCensus figure
Residents17,281
Households7,613
Median household income$65,865
Median home value$113,800
Median age46.9
Median rent$782

All 17 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)19,388
Households (sum of ZIP codes)8,533
Median household income, range across ZIP codes$58,000 (62367) to $76,825 (62321)
Household-weighted average of ZIP medians (an approximation, not a true median)$65,770
Homeowners81.6%
Households with kids under 1824.4%
Moved in the past year8.5%
Carrier routes in EDDM2GO's route library12 routes, 2,657 homes (8 of 17 ZIP codes)

Top facts

Every ZIP code in Hancock County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
62321Carthage3,5761,564$76,825$123,70077.5%21.9%6.2%——100% of its land
62341Hamilton3,4331,454$62,262$136,90073.1%29.7%12.9%——100% of its land
62379Warsaw1,854838$62,200$103,20082.2%26.7%7.8%——80% of its land
61450La Harpe1,812797$59,688$94,70081.3%28.2%5.2%250689% of its land
62330Dallas City1,472725$61,042$97,20087.3%19.2%5.9%266091% of its land
62354Nauvoo1,447557$72,788$159,50087.6%21.0%13.1%1479100% of its land
62367Plymouth1,294622$58,000$126,70089.5%23.2%4.5%——38% of its land
61420Blandinsville968396$69,375$91,30084.1%23.5%7.8%236719% of its land
62311Augusta872398$47,794$101,10085.4%25.9%17.8%——49% of its land
62316Bowen705299$61,094$84,00079.6%29.8%7.7%217989% of its land
62358Niota525231$62,216$164,90091.3%19.9%4.5%1271100% of its land
62313Basco382157$108,646$133,40084.7%24.2%7.3%——100% of its land
62380West Point360172$75,000$82,50084.9%15.7%12.8%1132100% of its land
62373Hancock County225103$110,568$139,90094.2%13.6%0.0%——97% of its land
62374Tennessee21692$78,571$81,70072.8%29.3%8.1%112851% of its land
62334Elvaston16385$38,750$126,80075.3%20.0%2.5%——100% of its land
62336Ferris8443$43,125$77,10097.7%14.0%13.1%——100% of its land

A ZIP code is listed for Hancock 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 Hancock County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Hancock County, IL?
62321, 62341, 62379, 61450, 62330, 62354, 62367, 61420, 62311, 62316, 62358, 62313, 62380, 62373, 62374, 62334 and 62336. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Hancock County?
17,281 residents in 7,613 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Hancock County?
$65,865 for the county as a whole. Its ZIP codes range from $58,000 (62367) to $76,825 (62321).
Which Hancock County ZIP code has the highest median household income?
62321, at $76,825, among ZIP codes with at least 1,000 residents. See the full ranking of Hancock County ZIP codes by income.
How many carrier routes and mailboxes are in Hancock County?
For the 8 of 17 ZIP codes in EDDM2GO's stored route library: 12 carrier routes reaching 2,657 residential and 66 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.