Heritage Lake, IN ZIP Codes
2 ZIP codes serve Heritage Lake, Indiana: 46121 and 46128. Together they are home to 7,761 residents in 3,137 households. That is more than the 3,227 people counted inside Heritage Lake Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $86,466 in 46128 to $89,409 in 46121.
Heritage Lake Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 3,227 |
| Households | 1,426 |
| Median household income | $87,568 |
| Median home value | $262,900 |
| Median age | 33.9 |
| Median rent | not published |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 7,761 |
| Households (sum of ZIP codes) | 3,137 |
| Median household income, range across ZIP codes | $86,466 (46128) to $89,409 (46121) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $88,416 |
| Homeowners | 94.7% |
| Households with kids under 18 | 37.0% |
| Moved in the past year | 6.4% |
| Carrier routes in EDDM2GO's route library | 2 routes, 854 homes (1 of 2 ZIP codes) |
Top facts
- Highest median household income in Heritage Lake: 46121 ($89,409)
- Most residents: 46121 (5,271 people)
- Highest homeownership: 46121 (98.0% own their home)
- Most households with kids: 46121 (41.1% of households)
- Most new movers: 46121 (7.5% moved in last year)
- Youngest median age: 46121 (34.5 years)
- Highest median home value: 46121 ($275,700)
Every ZIP code in Heritage Lake
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 46121 | Coatesville | 5,271 | 2,079 | $89,409 | $275,700 | 98.0% | 41.1% | 7.5% | — | — | 4% of its land |
| 46128 | Fillmore | 2,490 | 1,058 | $86,466 | $209,300 | 88.1% | 28.8% | 4.1% | 2 | 867 | 2% of its land |
A ZIP code is listed for Heritage Lake when at least 10% of its land lies inside the Heritage Lake Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Heritage Lake. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Heritage Lake.
Counties
- Hendricks County — 15 ZIP codes
- Putnam County — 10 ZIP codes
Price a mailing to Heritage Lake ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Heritage Lake, IN?
- 46121 and 46128. A ZIP code is listed for Heritage Lake when at least 10% of its land lies inside the Heritage Lake Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Heritage Lake.
- What is the population of Heritage Lake, IN?
- The Census Bureau counts 3,227 residents inside Heritage Lake Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Heritage Lake hold 7,761 residents in all.
- What is the median household income in Heritage Lake, IN?
- $87,568 inside Heritage Lake Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $86,466 to $89,409.
- Which Heritage Lake ZIP code has the highest median household income?
- 46121, at $89,409, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Heritage Lake, IN?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 2 carrier routes reaching 854 residential and 13 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.