Residential delivery area · Iowa
ZIP Code 50511: Algona, IA
ZIP code 50511 uses the postal name Algona, Iowa and lies entirely in Kossuth County (Census 2020 ZIP-county file). About 7,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $66,642 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Algona (4%), Sexton (2%) and St. Benedict (under 1%); 94% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Algona · its only residential ZIP
- County
- Kossuth County
- Census places
- Algona (4%); Sexton (2%) census-designated place; St. Benedict (under 1%) census-designated place
- House district
- IA-4 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 130.0 sq mi · 56 people per sq mi
Where is ZIP code 50511?
50511 centers on 43.075°, -94.219° and covers 130.0 square miles of land plus 0.3 of water. It borders 8 ZIP codes: 50522, 50560, 50598, 50559, 50483, 50519, 50597, 50570.
The map draws ZIP code areas only. For the streets inside 50511, 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 50511 compare with the rest of Kossuth County?
| Measure | 50511 | In Kossuth County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 7,240 | 1st of 21 | 109th of 970 |
| Median household income | $67k | 3rd of 3 | 299th of 396 |
| Median home value | $181k | 1st of 3 | 232nd of 423 |
Its median household income is higher than in 41% of U.S. residential ZIP codes, and it is denser than 44% 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 50511?
The 2020 Census counted 7,061 people in 50511; the ACS, which samples households over 2020-2024, estimates 7,240. Between the 2010 and 2020 censuses its population fell 1.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 7,240
- 2020 Census count
- 7,061−1.1% since 2010 (7,137)
- Households
- 3,310
- Median age
- 43.5
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 50511?
Of the 7,240 people the ACS estimates in 50511, 21.9% are under 18 and 25.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.2%).
- Under 1821.9%
- 18 to 6453.1%
- 65 and older25.1%
- White, not Hispanic89.2%
- Hispanic or Latino7.4%
- Other or two or more2.6%
- Asian, not Hispanic0.5%
- 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 50511 earn?
Median household income is $66,642 (ACS 2020-2024), the 3rd highest of the 3 ranked ZIP codes in Kossuth County. It is not measurably different from 2015-2019 ($67,028 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $66,642±$11,057
- Income per person
- $38,596
- Below the poverty line
- 5.5%
- Unemployed (of the labor force)
- 1.9%
- Adults 25+ with a bachelor's degree
- 26.8%
- Adjusted gross income per tax return, 2022
- $85,2893,340 returns; wages 55% 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 50511?
FHFA's house price index for 50511, built from repeat sales and appraisals of the same homes, rose 36% from 2015 to 2025 and rose 33% from 2020 to 2025, and moved +7.0% in 2025.
- Median home value (owners' estimate)
- $180,800
- Median gross rent
- $890
- Homes owned by their occupants
- 75.1%
- Housing units
- 3,488
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 50511?
314 business establishments had a location in this ZIP code in 2023, 11 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade48
- Other services (except public administration)39
- Construction32
- Health care and social assistance27
- Professional, scientific, and technical services26
- Finance and insurance23
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 50511?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 50522 | Burt | 705 | $68k | 7.8 mi |
| 50560 | Lu Verne | 732 | $66k | 10.1 mi |
| 50598 | Whittemore | 818 | $79k | 10.1 mi |
| 50559 | Lone Rock | 289 | $50k | 10.7 mi |
| 50483 | Wesley | 672 | $89k | 11.5 mi |
| 50519 | Bode | 765 | $72k | 12.1 mi |
| 50597 | West Bend | 1,341 | $92k | 13.6 mi |
| 50570 | Ottosen | 203 | $68k | 14.5 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.