Residential delivery area · Iowa
ZIP Code 50428: Clear Lake, IA
ZIP code 50428 uses the postal name Clear Lake, Iowa and lies entirely in Cerro Gordo County (Census 2020 ZIP-county file). About 9,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $81,037 (Census Bureau, ACS 2020-2024). By Census place, 9% of its land lies in Clear Lake; 90% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Clear Lake · its only residential ZIP
- County
- Cerro Gordo County
- Census places
- Clear Lake
- Micro area
- Mason City, IA
- House district
- IA-2 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 117.3 sq mi · 77 people per sq mi
Where is ZIP code 50428?
50428 centers on 43.140°, -93.391° and covers 117.3 square miles of land plus 4.4 of water. It borders 9 ZIP codes: 50482, 50434, 50401, 50444, 50477, 50449, 50469, 50479, 50436.
The map draws ZIP code areas only. For the streets inside 50428, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 50428 compare with the rest of Cerro Gordo County?
| Measure | 50428 | In Cerro Gordo County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 9,071 | 2nd of 17 | 87th of 970 |
| Median household income | $81k | 3rd of 6 | 164th of 396 |
| Median home value | $283k | 1st of 6 | 63rd of 423 |
Its median household income is higher than in 63% of U.S. residential ZIP codes, and it is denser than 50% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 50428?
The 2020 Census counted 9,290 people in 50428; the ACS, which samples households over 2020-2024, estimates 9,071. Between the 2010 and 2020 censuses its population fell 1.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 9,071
- 2020 Census count
- 9,290−1.0% since 2010 (9,384)
- Households
- 4,186
- Median age
- 50.5
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 50428?
Of the 9,071 people the ACS estimates in 50428, 17.9% are under 18 and 27.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.5%).
- Under 1817.9%
- 18 to 6454.3%
- 65 and older27.9%
- White, not Hispanic94.5%
- Hispanic or Latino3.0%
- Asian, not Hispanic1.5%
- Other or two or more0.8%
- Black, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 50428 earn?
Median household income is $81,037 (ACS 2020-2024), the 3rd highest of the 6 ranked ZIP codes in Cerro Gordo County. It is not measurably different from 2015-2019 ($74,237 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $81,037
- Income per person
- $55,526
- Below the poverty line
- 7.4%
- Unemployed (of the labor force)
- 2.3%
- Adults 25+ with a bachelor's degree
- 32.5%
- Adjusted gross income per tax return, 2022
- $106,5874,420 returns; wages 51% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 50428?
FHFA's house price index for 50428, built from repeat sales and appraisals of the same homes, rose 93% from 2015 to 2025 and rose 57% from 2020 to 2025, and moved −2.0% in 2025.
- Median home value (owners' estimate)
- $283,400
- Median gross rent
- $817
- Homes owned by their occupants
- 76.6%
- Housing units
- 5,576
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 50428?
329 business establishments had a location in this ZIP code in 2023, 13 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade46
- Other services (except public administration)39
- Accommodation and food services36
- Construction30
- Professional, scientific, and technical services27
- Health care and social assistance24
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 50428?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 50482 | Ventura | 748 | $98k | 4.8 mi |
| 50434 | Fertile | 396 | – | 8.6 mi |
| 50401 | Mason City | 28,703 | $66k | 9.7 mi |
| 50444 | Hanlontown | 394 | $78k | 10.9 mi |
| 50477 | Swaledale | 250 | $52k | 11.0 mi |
| 50449 | Klemme | 785 | $60k | 12.3 mi |
| 50469 | Rockwell | 1,527 | $71k | 13.8 mi |
| 50479 | Thornton | 655 | $69k | 13.8 mi |
| 50436 | Forest City | 5,771 | $75k | 17.0 mi |
| 50438 | Garner | 3,995 | $70k | 11.6 mi (near) |
| 50456 | Manly | 1,699 | $81k | 13.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.