DeKalb County, IN ZIP Codes
12 ZIP codes cover all or part of DeKalb County, Indiana. The Census Bureau counts 43,807 residents in the county, with a median household income of $74,331 and a median home value of $194,100. Median household income ranges from $57,545 in 46738 to $116,181 in 46730. Its largest communities include Auburn, Garrett, Leo-Cedarville, Butler and Waterloo.
DeKalb County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 43,807 |
| Households | 17,096 |
| Median household income | $74,331 |
| Median home value | $194,100 |
| Median age | 38.4 |
| Median rent | $861 |
All 12 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 58,544 |
| Households (sum of ZIP codes) | 22,370 |
| Median household income, range across ZIP codes | $57,545 (46738) to $116,181 (46730) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $77,328 |
| Homeowners | 83.2% |
| Households with kids under 18 | 32.4% |
| Moved in the past year | 11.8% |
| Carrier routes in EDDM2GO's route library | 31 routes, 17,081 homes (6 of 12 ZIP codes) |
Top facts
- Highest median household income in DeKalb County: 46730 ($116,181)
- Most residents: 46706 (20,403 people)
- Highest homeownership: 46730 (97.6% own their home)
- Most households with kids: 46788 (46.5% of households)
- Most new movers: 46742 (14.9% moved in last year)
- Youngest median age: 46788 (24.7 years)
- Highest median home value: 46730 ($316,500)
Every ZIP code in DeKalb County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 46706 | Auburn | 20,403 | 7,970 | $80,965 | $219,100 | 81.5% | 33.9% | 12.6% | 15 | 9,460 | 96% of its land |
| 46738 | Garrett | 8,533 | 3,627 | $57,545 | $164,200 | 81.1% | 30.2% | 14.8% | 6 | 3,558 | 100% of its land |
| 46721 | Butler | 4,739 | 1,817 | $68,580 | $138,800 | 83.4% | 29.1% | 14.3% | — | — | 100% of its land |
| 46710 | Avilla | 4,506 | 1,695 | $84,408 | $218,200 | 80.6% | 32.7% | 9.2% | 3 | 1,763 | 13% of its land |
| 46788 | Spencerville | 4,373 | 1,123 | $101,553 | $285,200 | 89.8% | 46.5% | 8.9% | 2 | 1,139 | 53% of its land |
| 46793 | Waterloo | 4,104 | 1,599 | $79,949 | $184,100 | 89.9% | 34.3% | 12.3% | — | — | 99% of its land |
| 46742 | Hamilton | 3,292 | 1,432 | $78,750 | $250,500 | 79.6% | 22.8% | 14.9% | 4 | 1,603 | 31% of its land |
| 46747 | Hudson | 2,388 | 913 | $75,662 | $161,400 | 89.5% | 29.9% | 10.7% | — | — | 14% of its land |
| 46705 | Ashley | 1,972 | 741 | $67,266 | $159,700 | 73.8% | 27.8% | 6.6% | — | — | 70% of its land |
| 46785 | Saint Joe | 1,491 | 455 | $63,250 | $163,300 | 84.6% | 31.0% | 8.3% | — | — | 100% of its land |
| 46763 | Laotto | 1,444 | 531 | $97,054 | $270,800 | 93.6% | 39.7% | 2.4% | — | — | 19% of its land |
| 46730 | Corunna | 1,299 | 467 | $116,181 | $316,500 | 97.6% | 27.8% | 3.0% | 1 | 459 | 100% 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
- Auburn — 13,565 residents · 1 ZIP code
- Garrett — 6,642 residents · 1 ZIP code
- Leo-Cedarville — 3,695 residents · 1 ZIP code
- Butler — 2,660 residents · 1 ZIP code
- Waterloo — 2,073 residents · 1 ZIP code
- Ashley — 1,230 residents · 1 ZIP code
- Altona — 415 residents · 1 ZIP code
- St. Joe — 411 residents · 1 ZIP code
- Corunna — 128 residents · 1 ZIP code
Rankings
- Richest ZIP codes in DeKalb County — 12 ZIP codes ranked
- ZIP codes with the highest home values in DeKalb County — 12 ZIP codes ranked
- ZIP codes with the highest homeownership in DeKalb County — 12 ZIP codes ranked
- ZIP codes with the most families with kids in DeKalb County — 12 ZIP codes ranked
- ZIP codes with the most new movers in DeKalb County — 12 ZIP codes ranked
- Youngest ZIP codes in DeKalb County — 12 ZIP codes ranked
- Oldest ZIP codes in DeKalb County — 12 ZIP codes ranked
- Fastest-growing ZIP codes in DeKalb County — 12 ZIP codes ranked
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, IN?
- 46706, 46738, 46721, 46710, 46788, 46793, 46742, 46747, 46705, 46785, 46763 and 46730. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of DeKalb County?
- 43,807 residents in 17,096 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in DeKalb County?
- $74,331 for the county as a whole. Its ZIP codes range from $57,545 (46738) to $116,181 (46730).
- Which DeKalb County ZIP code has the highest median household income?
- 46730, at $116,181, 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 6 of 12 ZIP codes in EDDM2GO's stored route library: 31 carrier routes reaching 17,081 residential and 902 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.