Portage, IN ZIP Codes
2 ZIP codes serve Portage, Indiana: 46368 and 46403. Together they are home to 51,230 residents in 20,752 households. That is more than the 38,082 people counted inside Portage city limits, because these ZIP codes reach past its boundary. Median household income ranges from $45,991 in 46403 to $76,368 in 46368.
Portage city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 38,082 |
| Households | 14,938 |
| Median household income | $76,276 |
| Median home value | $224,200 |
| Median age | 39.8 |
| Median rent | $1,231 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 51,230 |
| Households (sum of ZIP codes) | 20,752 |
| Median household income, range across ZIP codes | $45,991 (46403) to $76,368 (46368) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $69,122 |
| Homeowners | 67.5% |
| Households with kids under 18 | 31.1% |
| Moved in the past year | 10.6% |
| Carrier routes in EDDM2GO's route library | 30 routes, 22,659 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Portage: 46368 ($76,368)
- Most residents: 46368 (40,301 people)
- Highest homeownership: 46368 (73.4% own their home)
- Most households with kids: 46368 (33.6% of households)
- Most new movers: 46368 (10.9% moved in last year)
- Youngest median age: 46368 (39.7 years)
- Highest median home value: 46368 ($227,100)
Every ZIP code in Portage
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 46368 | Portage | 40,301 | 15,802 | $76,368 | $227,100 | 73.4% | 33.6% | 10.9% | 22 | 17,869 | 95% of its land; mailing city |
| 46403 | Gary | 10,929 | 4,950 | $45,991 | $177,600 | 48.8% | 23.3% | 9.6% | 8 | 5,828 | 10% of its land |
A ZIP code is listed for Portage when at least 10% of its land lies inside Portage city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Portage. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Portage.
Counties
- Porter County — 13 ZIP codes
- Lake County — 28 ZIP codes
Nearby cities sharing these ZIP codes
- Gary — 8 ZIP codes
Price a mailing to Portage ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Portage, IN?
- 46368 and 46403. A ZIP code is listed for Portage when at least 10% of its land lies inside Portage city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Portage.
- What is the population of Portage, IN?
- The Census Bureau counts 38,082 residents inside Portage city limits (ACS 2020–2024). The 2 ZIP codes that serve Portage hold 51,230 residents in all.
- What is the median household income in Portage, IN?
- $76,276 inside Portage city limits, per the Census Bureau. Across its ZIP codes the medians run from $45,991 to $76,368.
- Which Portage ZIP code has the highest median household income?
- 46368, at $76,368, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Portage, IN?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 30 carrier routes reaching 22,659 residential and 1,035 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.