50401 ZIP Code, Mason City, IA
50401 is a ZIP code in Mason City, Iowa in Cerro Gordo County. It covers 148 square miles of land. The closest ZIP codes are 50467, 50464 and 50456. 28,703 people live here in 13,321 households, more than in 9 of every 10 Iowa ZIP codes. With about 194 people per square mile it is lightly settled, and owners and renters are mixed (66% own). Median household income is $66,072, below the Iowa median of $75,059.
Quick facts
- Mailing city: Mason City, IA
- County: Cerro Gordo County
- Land area: 148 sq mi
- Population: 28,703
- Median household income: $66,072
Key figures
| Measure | Value |
|---|---|
| Residents | 28,703 |
| Households | 13,321 |
| Median household income | $66,072 |
| Income per person | $37,886 |
| Median age | 42.2 |
| Homeowners | 66.3% |
| Median home value | $146,500 |
| Median rent | $875 |
| Bachelor's degree or higher | 21.4% |
| Average commute (minutes) | 13.7 |
| Households with kids under 18 | 25.0% |
| Moved in the past year | 12.9% |
| Below the poverty line | 11.4% |
| Broadband internet | 89.2% |
| Speak a non-English language at home | 4.6% |
Household income
| % of households | Value |
|---|---|
| <$10K | 2.7% |
| $10–15K | 4.9% |
| $15–25K | 9.2% |
| $25–35K | 8.8% |
| $35–50K | 13.7% |
| $50–75K | 18.2% |
| $75–100K | 14.1% |
| $100–150K | 17.3% |
| $150–200K | 5.8% |
| $200K+ | 5.3% |
Age
| % of all residents | Value |
|---|---|
| <10 | 10.7% |
| 10–19 | 12.7% |
| 20–24 | 5.8% |
| 25–34 | 11.6% |
| 35–44 | 12.1% |
| 45–54 | 11.4% |
| 55–64 | 13.3% |
| 65–74 | 13.2% |
| 75+ | 9.3% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 35.8% |
| Owned outright | 23.8% |
| Rented | 30.0% |
| Vacant | 10.4% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 76.7% |
| Townhome | 3.0% |
| 2–4 units | 5.5% |
| 5–19 units | 6.9% |
| 20+ units | 6.4% |
| Mobile / other | 1.6% |
Businesses in 50401
899 business establishments with 15,100 employees (ZIP Codes Business Patterns 2023).
- Retail Trade: 149
- Health Care and Social Assistance: 104
- Other Services (except Public Administration): 93
- Accommodation and Food Services: 88
- Construction: 80
- Wholesale Trade: 60
- Professional, Scientific, and Technical Services: 60
- Finance and Insurance: 59
EDDM carrier routes
See every USPS carrier route in 50401 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 50467 — Rock Falls city, IA (7.7 mi)
- 50464 — Plymouth city, IA (9.2 mi)
- 50456 — Manly city, IA (9.5 mi)
- 50458 — Nora Springs city, IA (9.5 mi)
- 50428 — Clear Lake city, IA (9.7 mi)
- 50469 — Rockwell city, IA (10.7 mi)
- 50477 — Swaledale city, IA (13.2 mi)
- 50444 — Hanlontown city, IA (13.5 mi)
Areas that include 50401
- Mason City, IA ZIP codes — 1 ZIP code
- Rock Falls, IA ZIP codes — 2 ZIP codes
- Portland, IA ZIP codes — 1 ZIP code
- Cerro Gordo County ZIP codes — 14 ZIP codes
- Iowa ZIP code data
Where it ranks
- No. 4 of 6: highest share of households with children in Cerro Gordo County
- No. 1 of 6: highest share of residents who moved in during the past year in Cerro Gordo County
- No. 2 of 6: lowest median age in Cerro Gordo County
- No. 5 of 6: highest median age in Cerro Gordo County
- No. 3 of 6: fastest population growth in Cerro Gordo County
Mail every home in 50401
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 50401, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 50401 in?
- 50401 is a Mason City, IA mailing address. By land area, 19% lies inside Mason City; the rest is outside any Census-defined city or community.
- What county is 50401 in?
- 50401 is in Cerro Gordo County.
- What is the population of 50401?
- About 28,703 people (±219), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 28,981.
- What is the median household income in 50401?
- $66,072 (±$3,104), compared with $75,059 for Iowa as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 50401?
- EDDM2GO's stored route library does not include 50401 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 50401?
- The closest, measured center to center: 50467 (7.7 mi, Rock Falls), 50464 (9.2 mi, Plymouth), 50456 (9.5 mi, Manly), 50458 (9.5 mi, Nora Springs), 50428 (9.7 mi, Clear Lake) and 50469 (10.7 mi, Rockwell).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.