Residential delivery area · Iowa
ZIP Code 51461: Schleswig, IA
ZIP code 51461 uses the postal name Schleswig, Iowa and lies mostly in Crawford County (93% of its land) with the rest in Ida County (Census 2020 ZIP-county file). About 1,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $73,768 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Schleswig; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Schleswig · its only residential ZIP
- County
- Crawford County (93%); Ida County (7%)
- Census places
- Schleswig
- House district
- IA-4 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 54.4 sq mi · 20 people per sq mi
Where is ZIP code 51461?
51461 centers on 42.174°, -95.474° and covers 54.4 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 51460, 51439, 51448, 51445, 51442, 51006.
The map draws ZIP code areas only. For the streets inside 51461, 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 51461 compare with the rest of Crawford County?
| Measure | 51461 | In Crawford County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,097 | 7th of 21 | 437th of 970 |
| Median household income | $74k | 2nd of 6 | 230th of 396 |
| Median home value | $183k | 1st of 6 | 225th of 423 |
Its median household income is higher than in 53% 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 51461?
The 2020 Census counted 1,095 people in 51461; the ACS, which samples households over 2020-2024, estimates 1,097. Between the 2010 and 2020 censuses its population fell 6.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,097±166 (90% margin)
- 2020 Census count
- 1,095−6.0% since 2010 (1,165)
- Households
- 516
- Median age
- 42.2
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 51461?
Of the 1,097 people the ACS estimates in 51461, 23.0% are under 18 and 20.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (72.5%), then Hispanic or Latino (21.9%).
- Under 1823.0%
- 18 to 6457.1%
- 65 and older20.0%
- White, not Hispanic72.5%
- Hispanic or Latino21.9%
- Asian, not Hispanic3.2%
- Other or two or more1.6%
- Black, not Hispanic0.8%
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 51461 earn?
Median household income is $73,768 (ACS 2020-2024), the 2nd highest of the 6 ranked ZIP codes in Crawford County. It is not measurably different from 2015-2019 ($77,262 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $73,768
- Income per person
- $51,415
- Below the poverty line
- 10.7%
- Unemployed (of the labor force)
- 1.3%
- Adults 25+ with a bachelor's degree
- 22.4%
- Adjusted gross income per tax return, 2022
- $82,094530 returns; wages 52% 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 51461?
- Median home value (owners' estimate)
- $183,100
- Median gross rent
- $534
- Homes owned by their occupants
- 77.1%
- Housing units
- 587
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 51461?
39 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction7
- Finance and insurance7
- Transportation and warehousing6
- Other services (except public administration)4
- 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 51461?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 51460 | Ricketts | 61 | – | 5.7 mi |
| 51439 | Charter Oak | 818 | $53k | 8.6 mi |
| 51448 | Kiron | 612 | $76k | 8.7 mi |
| 51445 | Ida Grove | 2,485 | $65k | 10.6 mi |
| 51442 | Denison | 9,692 | $67k | 11.6 mi |
| 51006 | Battle Creek | 1,287 | $76k | 11.7 mi |
| 51441 | Deloit | 468 | $49k | 9.2 mi (near) |
| 51431 | Arthur | 430 | $54k | 13.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.