Plainfield, IN ZIP Codes
2 ZIP codes serve Plainfield, Indiana: 46168 and 46231. Together they are home to 49,197 residents in 17,670 households. That is more than the 36,369 people counted inside Plainfield town limits, because these ZIP codes reach past its boundary. Median household income ranges from $71,825 in 46231 to $90,000 in 46168.
Plainfield town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 36,369 |
| Households | 12,809 |
| Median household income | $87,272 |
| Median home value | $280,600 |
| Median age | 38.4 |
| Median rent | $1,499 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 49,197 |
| Households (sum of ZIP codes) | 17,670 |
| Median household income, range across ZIP codes | $71,825 (46231) to $90,000 (46168) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $86,042 |
| Homeowners | 69.2% |
| Households with kids under 18 | 35.7% |
| Moved in the past year | 16.8% |
| Carrier routes in EDDM2GO's route library | 31 routes, 20,695 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Plainfield: 46168 ($90,000)
- Most residents: 46168 (38,826 people)
- Highest homeownership: 46231 (78.7% own their home)
- Most households with kids: 46231 (37.7% of households)
- Most new movers: 46168 (18.0% moved in last year)
- Youngest median age: 46168 (38.0 years)
- Highest median home value: 46168 ($297,200)
Every ZIP code in Plainfield
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 46168 | Plainfield | 38,826 | 13,822 | $90,000 | $297,200 | 66.6% | 35.1% | 18.0% | 25 | 18,075 | 60% of its land; mailing city |
| 46231 | Indianapolis | 10,371 | 3,848 | $71,825 | $219,600 | 78.7% | 37.7% | 12.4% | 6 | 3,959 | 42% of its land |
A ZIP code is listed for Plainfield when at least 10% of its land lies inside Plainfield town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Plainfield. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Plainfield.
Counties
- Hendricks County — 15 ZIP codes
Nearby cities sharing these ZIP codes
- Avon — 2 ZIP codes
- Indianapolis city (balance) — 37 ZIP codes
Price a mailing to Plainfield ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Plainfield, IN?
- 46168 and 46231. A ZIP code is listed for Plainfield when at least 10% of its land lies inside Plainfield town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Plainfield.
- What is the population of Plainfield, IN?
- The Census Bureau counts 36,369 residents inside Plainfield town limits (ACS 2020–2024). The 2 ZIP codes that serve Plainfield hold 49,197 residents in all.
- What is the median household income in Plainfield, IN?
- $87,272 inside Plainfield town limits, per the Census Bureau. Across its ZIP codes the medians run from $71,825 to $90,000.
- Which Plainfield ZIP code has the highest median household income?
- 46168, at $90,000, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Plainfield, IN?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 31 carrier routes reaching 20,695 residential and 1,328 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.