DeKalb County, IL ZIP Codes

18 ZIP codes cover all or part of DeKalb County, Illinois. The Census Bureau counts 100,703 residents in the county, with a median household income of $70,724 and a median home value of $243,600. Median household income ranges from $47,043 in 60115 to $117,450 in 60151. Its largest communities include DeKalb, Sycamore, Sandwich, Lake Holiday and Genoa.

DeKalb County (Census county figures)

MeasureCensus figure
Residents100,703
Households39,550
Median household income$70,724
Median home value$243,600
Median age32.7
Median rent$1,049

All 18 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)115,830
Households (sum of ZIP codes)45,627
Median household income, range across ZIP codes$47,043 (60115) to $117,450 (60151)
Household-weighted average of ZIP medians (an approximation, not a true median)$74,880
Homeowners64.1%
Households with kids under 1829.2%
Moved in the past year15.7%
Carrier routes in EDDM2GO's route library92 routes, 45,917 homes (18 of 18 ZIP codes)

Top facts

Every ZIP code in DeKalb County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
60115Dekalb42,53617,262$47,043$208,60043.0%25.6%26.1%2918,234100% of its land
60178Sycamore22,2248,735$92,913$279,50072.9%31.2%12.0%1710,26293% of its land
60548Sandwich11,7214,548$82,957$262,10082.1%32.0%4.5%105,32554% of its land
60135Genoa7,2742,901$98,033$254,00076.0%29.4%8.2%62,96296% of its land
60112Cortland4,6211,599$72,831$229,90078.6%41.7%23.6%31,790100% of its land
60552Somonauk4,2851,807$113,411$257,40084.6%19.3%6.4%31,58481% of its land
60151Maple Park3,8881,437$117,450$347,40082.9%26.2%8.1%41,58725% of its land
60518Earlville3,2891,465$69,980$165,50067.0%22.9%12.2%31,26825% of its land
60520Hinckley2,9791,123$98,958$320,50079.2%38.3%9.0%21,114100% of its land
60145Kingston2,464900$108,477$268,30088.1%35.1%7.8%289295% of its land
60146Kirkland2,369968$88,032$222,00071.6%38.4%8.5%262888% of its land
60556Waterman2,138719$100,186$234,80081.1%39.4%6.8%2751100% of its land
60531Leland1,885724$79,808$229,20069.6%35.9%6.7%255738% of its land
60150Malta1,738591$86,719$188,40076.3%35.0%9.5%2485100% of its land
60530Lee992270$96,250$264,50090.0%53.7%0.5%223232% of its land
60550Shabbona941400$81,574$223,00069.5%20.3%6.3%1351100% of its land
60111Clare25789$84,583$375,90070.8%13.5%1.6%1102100% of its land
60129Esmond22989$117,750$187,50083.1%31.5%14.7%18827% of its land

A ZIP code is listed for DeKalb 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 DeKalb County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in DeKalb County, IL?
60115, 60178, 60548, 60135, 60112, 60552, 60151, 60518, 60520, 60145, 60146, 60556, 60531, 60150, 60530, 60550, 60111 and 60129. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of DeKalb County?
100,703 residents in 39,550 households (ACS 5-year estimates, 2020–2024).
What is the median household income in DeKalb County?
$70,724 for the county as a whole. Its ZIP codes range from $47,043 (60115) to $117,450 (60151).
Which DeKalb County ZIP code has the highest median household income?
60151, at $117,450, among ZIP codes with at least 1,000 residents. See the full ranking of DeKalb County ZIP codes by income.
How many carrier routes and mailboxes are in DeKalb County?
For the 18 of 18 ZIP codes in EDDM2GO's stored route library: 92 carrier routes reaching 45,917 residential and 2,297 business mailboxes.

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