Mills, WY ZIP Codes
3 ZIP codes serve Mills, Wyoming: 82604, 82601 and 82644. Together they are home to 56,306 residents in 23,297 households. That is more than the 4,390 people counted inside Mills town limits, because these ZIP codes reach past its boundary. Median household income ranges from $53,750 in 82644 to $79,118 in 82604.
Mills town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 4,390 |
| Households | 1,847 |
| Median household income | $50,656 |
| Median home value | $174,400 |
| Median age | 36.5 |
| Median rent | $1,073 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 56,306 |
| Households (sum of ZIP codes) | 23,297 |
| Median household income, range across ZIP codes | $53,750 (82644) to $79,118 (82604) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $72,527 |
| Homeowners | 76.4% |
| Households with kids under 18 | 29.0% |
| Moved in the past year | 12.7% |
| Carrier routes in EDDM2GO's route library | 20 routes, 10,975 homes (1 of 3 ZIP codes) |
Top facts
- Highest median household income in Mills: 82604 ($79,118)
- Most residents: 82604 (27,487 people)
- Highest homeownership: 82604 (83.3% own their home)
- Most households with kids: 82644 (44.4% of households)
- Most new movers: 82601 (14.1% moved in last year)
- Youngest median age: 82644 (37.5 years)
- Highest median home value: 82604 ($288,900)
Every ZIP code in Mills
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 82604 | Casper | 27,487 | 11,015 | $79,118 | $288,900 | 83.3% | 30.0% | 11.5% | 20 | 11,491 | 0% of its land |
| 82601 | Casper | 26,721 | 11,374 | $67,642 | $249,100 | 69.9% | 26.8% | 14.1% | — | — | 0% of its land |
| 82644 | Mills | 2,098 | 908 | $53,750 | $175,900 | 73.9% | 44.4% | 9.7% | — | — | 96% of its land; mailing city |
A ZIP code is listed for Mills when at least 10% of its land lies inside Mills town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Mills. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Mills.
Counties
- Natrona County — 13 ZIP codes
Nearby cities sharing these ZIP codes
- Casper — 3 ZIP codes
Price a mailing to Mills ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Mills, WY?
- 82604, 82601 and 82644. A ZIP code is listed for Mills when at least 10% of its land lies inside Mills town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Mills.
- What is the population of Mills, WY?
- The Census Bureau counts 4,390 residents inside Mills town limits (ACS 2020–2024). The 3 ZIP codes that serve Mills hold 56,306 residents in all.
- What is the median household income in Mills, WY?
- $50,656 inside Mills town limits, per the Census Bureau. Across its ZIP codes the medians run from $53,750 to $79,118.
- Which Mills ZIP code has the highest median household income?
- 82604, at $79,118, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Mills, WY?
- For the 1 of 3 ZIP codes in EDDM2GO's stored route library: 20 carrier routes reaching 10,975 residential and 516 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.