Residential delivery area · Iowa
ZIP Code 51466: Wall Lake, IA
ZIP code 51466 uses the postal name Wall Lake, Iowa and lies mostly in Sac County (99% of its land) with the rest in Crawford County (Census 2020 ZIP-county file). About 1,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $71,579 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Wall Lake; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2020
- ZBP2023
- IRS2022
- Town
- Wall Lake · its only residential ZIP
- County
- Sac County (99%); Crawford County (1%)
- Census places
- Wall Lake
- House district
- IA-4 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 52.2 sq mi · 20 people per sq mi
Where is ZIP code 51466?
51466 centers on 42.247°, -95.100° and covers 52.2 square miles of land plus 0.2 of water. It borders 4 ZIP codes: 51436, 51450, 51458, 51465.
The map draws ZIP code areas only. For the streets inside 51466, 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 51466 compare with the rest of Sac County?
| Measure | 51466 | In Sac County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,043 | 6th of 15 | 456th of 970 |
| Median household income | $72k | 5th of 5 | 253rd of 396 |
| Median home value | $180k | 2nd of 6 | 236th of 423 |
Its median household income is higher than in 49% of U.S. residential ZIP codes, and it is denser than 26% 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 51466?
The 2020 Census counted 1,071 people in 51466; the ACS, which samples households over 2020-2024, estimates 1,043. Between the 2010 and 2020 censuses its population fell 1.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,043±151 (90% margin)
- 2020 Census count
- 1,071−1.9% since 2010 (1,092)
- Households
- 494
- Median age
- 48.8
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 51466?
Of the 1,043 people the ACS estimates in 51466, 24.4% are under 18 and 30.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (96.3%).
- Under 1824.4%
- 18 to 6445.6%
- 65 and older30.0%
- White, not Hispanic96.3%
- Hispanic or Latino2.8%
- Other or two or more1.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
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 51466 earn?
Median household income is $71,579 (ACS 2020-2024), the 5th highest of the 5 ranked ZIP codes in Sac County. It is not measurably different from 2015-2019 ($80,675 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $71,579±$16,875
- Income per person
- $40,938
- Below the poverty line
- 4.4%
- Unemployed (of the labor force)
- 2.3%
- Adults 25+ with a bachelor's degree
- 19.2%
- Adjusted gross income per tax return, 2022
- $89,778460 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 51466?
- Median home value (owners' estimate)
- $179,600
- Median gross rent
- $637
- Homes owned by their occupants
- 82.0%
- Housing units
- 523
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 51466?
42 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade7
- Wholesale trade6
- Health care and social assistance5
- Construction4
- Finance and insurance4
- Manufacturing3
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 51466?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 51436 | Breda | 815 | $62k | 6.3 mi |
| 51450 | Lake View | 1,619 | $72k | 6.3 mi |
| 51458 | Odebolt | 1,290 | $86k | 8.8 mi |
| 51465 | Vail | 689 | $73k | 12.2 mi |
| 51448 | Kiron | 612 | $76k | 11.1 mi (near) |
| 51430 | Arcadia | 1,063 | $76k | 11.5 mi (near) |
| 51433 | Auburn | 567 | $68k | 11.5 mi (near) |
| 51467 | Westside | 596 | $81k | 12.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.