Greenfield, WI ZIP Codes
3 ZIP codes serve Greenfield, Wisconsin: 53221, 53220 and 53228. Together they are home to 80,947 residents in 35,565 households. That is more than the 37,345 people counted inside Greenfield city limits, because these ZIP codes reach past its boundary. Median household income ranges from $63,265 in 53221 to $75,033 in 53228.
Greenfield city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 37,345 |
| Households | 17,393 |
| Median household income | $70,459 |
| Median home value | $261,100 |
| Median age | 42 |
| Median rent | $1,170 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 80,947 |
| Households (sum of ZIP codes) | 35,565 |
| Median household income, range across ZIP codes | $63,265 (53221) to $75,033 (53228) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $67,675 |
| Homeowners | 55.7% |
| Households with kids under 18 | 26.7% |
| Moved in the past year | 8.9% |
| Carrier routes in EDDM2GO's route library | 32 routes, 19,534 homes (2 of 3 ZIP codes) |
Top facts
- Highest median household income in Greenfield: 53228 ($75,033)
- Most residents: 53221 (38,044 people)
- Highest homeownership: 53221 (56.9% own their home)
- Most households with kids: 53221 (27.8% of households)
- Most new movers: 53228 (11.7% moved in last year)
- Youngest median age: 53221 (38.8 years)
- Highest median home value: 53228 ($272,000)
Every ZIP code in Greenfield
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 53221 | Milwaukee | 38,044 | 16,293 | $63,265 | $219,600 | 56.9% | 27.8% | 7.9% | — | — | 30% of its land |
| 53220 | Milwaukee | 27,782 | 12,245 | $69,319 | $229,300 | 56.2% | 27.7% | 8.8% | 20 | 12,565 | 70% of its land |
| 53228 | Milwaukee | 15,121 | 7,027 | $75,033 | $272,000 | 52.1% | 22.2% | 11.7% | 12 | 7,802 | 89% of its land |
A ZIP code is listed for Greenfield when at least 10% of its land lies inside Greenfield city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Greenfield. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Greenfield.
Counties
- Milwaukee County — 36 ZIP codes
Nearby cities sharing these ZIP codes
- Milwaukee — 29 ZIP codes
EDDM service areas in Greenfield
Price a mailing to Greenfield ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Greenfield, WI?
- 53221, 53220 and 53228. A ZIP code is listed for Greenfield when at least 10% of its land lies inside Greenfield city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Greenfield.
- What is the population of Greenfield, WI?
- The Census Bureau counts 37,345 residents inside Greenfield city limits (ACS 2020–2024). The 3 ZIP codes that serve Greenfield hold 80,947 residents in all.
- What is the median household income in Greenfield, WI?
- $70,459 inside Greenfield city limits, per the Census Bureau. Across its ZIP codes the medians run from $63,265 to $75,033.
- Which Greenfield ZIP code has the highest median household income?
- 53228, at $75,033, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Greenfield, WI?
- For the 2 of 3 ZIP codes in EDDM2GO's stored route library: 32 carrier routes reaching 19,534 residential and 833 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.