Lake Mills, IA ZIP Codes
One ZIP code serves Lake Mills, Iowa: 50450. Together they are home to 2,952 residents in 1,369 households. That is more than the 2,088 people counted inside Lake Mills city limits, because these ZIP codes reach past its boundary.
Lake Mills city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 2,088 |
| Households | 993 |
| Median household income | $61,875 |
| Median home value | $122,600 |
| Median age | 46.2 |
| Median rent | $624 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 2,952 |
| Households (sum of ZIP codes) | 1,369 |
| Median household income, range across ZIP codes | $76,125 (50450) to $76,125 (50450) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $76,125 |
| Homeowners | 69.8% |
| Households with kids under 18 | 22.3% |
| Moved in the past year | 10.9% |
| Carrier routes in EDDM2GO's route library | 4 routes, 1,284 homes (1 of 1 ZIP codes) |
Every ZIP code in Lake Mills
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50450 | Lake Mills | 2,952 | 1,369 | $76,125 | $158,000 | 69.8% | 22.3% | 10.9% | 4 | 1,383 | 3% of its land; mailing city |
A ZIP code is listed for Lake Mills when at least 10% of its land lies inside Lake Mills city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Lake Mills. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Lake Mills.
Counties
- Winnebago County — 9 ZIP codes
Price a mailing to Lake Mills ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Lake Mills, IA?
- 50450. A ZIP code is listed for Lake Mills when at least 10% of its land lies inside Lake Mills city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Lake Mills.
- What is the population of Lake Mills, IA?
- The Census Bureau counts 2,088 residents inside Lake Mills city limits (ACS 2020–2024). The 1 ZIP code that serve Lake Mills hold 2,952 residents in all.
- What is the median household income in Lake Mills, IA?
- $61,875 inside Lake Mills city limits, per the Census Bureau. Across its ZIP codes the medians run from $76,125 to $76,125.
- How many carrier routes and mailboxes are in Lake Mills, IA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 4 carrier routes reaching 1,284 residential and 99 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.