DeKalb
Source:
Illinois
DeKalb is a mid-size county in Illinois with 13 ZIP codes, 106,105 people, and upper-quartile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, DeKalb, IL sits among US counties with an upper-quartile household income, on a mid-size county population base, across a compact ZIP cluster.
- Top 13%
- household income vs 3,210 US counties
- 106,105
- combined ZIP population
- 13
- USPS ZIP codes covered
- $89,235
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
DeKalb lands in the national county income distribution as upper-quartile household income on mid-size county footing (FIPS 17037, 13 ZIPs, combined population 106,105). Sort the ZIP table by population before treating the county mean as uniform.
Upper-income footing across a mid-size ZIP set (13 codes). Sibling delivery areas are close enough that a two-ZIP compare usually separates the county seat from outlying tracts without leaving DeKalb. Use the density column to spot the urban core before jumping to HUD/FBI county overlays.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
13
Total ZIPs
106,105
Total Population
ZIP Codes in DeKalb
Side-by-side: Compare 60115 vs 60178 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 60115 | Dekalb | 46,272 | 221 |
| 60178 | Sycamore | 21,840 | 122 |
| 60548 | Sandwich | 12,218 | 117 |
| 60135 | Genoa | 7,248 | 60 |
| 60112 | Cortland | 4,560 | 476 |
| 60520 | Hinckley | 2,886 | 25 |
| 60146 | Kirkland | 2,713 | 20 |
| 60145 | Kingston | 2,627 | 28 |
| 60556 | Waterman | 2,007 | 15 |
| 60150 | Malta | 1,794 | 13 |
| 60550 | Shabbona | 1,440 | 13 |
| 60111 | Clare | 258 | 5 |
| 60129 | Esmond | 242 | 6 |
Frequently Asked Questions
What is the population of DeKalb?
DeKalb has a total population of 106,105 across 13 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in DeKalb?
DeKalb includes 13 ZIP codes: 60115, 60178, 60548, 60135, 60112, 60520, 60146, 60145, 60556, 60150, and more.