DeKalb, IL ZIP codes

3 ZIP/ZCTAs intersecting this Census place in DeKalb County.

ACS 2023 population

40,464

Median household income

$46,564

Median home value

$202,900

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place DeKalb (GEOID 1719161). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 68,781 (3 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of DeKalb, IL

Census place boundary and intersecting ZIP Code Tabulation Areas for DeKalb, IL — Census place boundary for DeKalb, IL. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with DeKalb

Population overlap

Share of each ZIP/ZCTA’s population located within DeKalb, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

601120.0%
6011595.5%
601780.4%

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting DeKalb

ZIP	City	County	Population	Income
60112	Cortland	DeKalb County	4,611	$79,506
60115	Dekalb	DeKalb County	42,461	$46,808
60178	Sycamore	DeKalb County	21,709	$88,314