Residential delivery area · Iowa
ZIP Code 51551: Malvern, IA
ZIP code 51551 uses the postal name Malvern, Iowa and lies entirely in Mills County (Census 2020 ZIP-county file). About 1,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $85,469 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Malvern; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Malvern · its only residential ZIP
- County
- Mills County
- Census places
- Malvern
- Metro area
- Omaha, NE-IA
- House district
- IA-4 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 81.9 sq mi · 22 people per sq mi
Where is ZIP code 51551?
51551 centers on 40.991°, -95.588° and covers 81.9 square miles of land plus 0.4 of water. It borders 6 ZIP codes: 51540, 51534, 51653, 51649, 51571, 51645.
The map draws ZIP code areas only. For the streets inside 51551, 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 51551 compare with the rest of Mills County?
| Measure | 51551 | In Mills County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,842 | 3rd of 11 | 298th of 970 |
| Median household income | $86k | 2nd of 3 | 128th of 396 |
| Median home value | $212k | 5th of 5 | 153rd of 423 |
Its median household income is higher than in 68% of U.S. residential ZIP codes, and it is denser than 28% 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 51551?
The 2020 Census counted 1,783 people in 51551; the ACS, which samples households over 2020-2024, estimates 1,842. Between the 2010 and 2020 censuses its population fell 2.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,842±278 (90% margin)
- 2020 Census count
- 1,783−2.5% since 2010 (1,828)
- Households
- 633
- Median age
- 40.8
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 51551?
Of the 1,842 people the ACS estimates in 51551, 23.9% are under 18 and 16.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (97.3%).
- Under 1823.9%
- 18 to 6459.9%
- 65 and older16.2%
- White, not Hispanic97.3%
- Other or two or more1.2%
- Hispanic or Latino1.0%
- Asian, not Hispanic0.4%
- Black, not Hispanic0.1%
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 51551 earn?
Median household income is $85,469 (ACS 2020-2024), the 2nd highest of the 3 ranked ZIP codes in Mills County. It is not measurably different from 2015-2019 ($85,529 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $85,469±$11,482
- Income per person
- $45,789
- Below the poverty line
- 4.7%
- Unemployed (of the labor force)
- 0.6%
- Adults 25+ with a bachelor's degree
- 25.1%
- Adjusted gross income per tax return, 2022
- $82,188860 returns; wages 65% 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 51551?
FHFA's house price index for 51551, built from repeat sales and appraisals of the same homes, rose 78% from 2015 to 2025 and rose 46% from 2020 to 2025, and moved +16.4% in 2025.
- Median home value (owners' estimate)
- $212,400
- Median gross rent
- $870
- Homes owned by their occupants
- 85.9%
- Housing units
- 734
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 51551?
40 business establishments had a location in this ZIP code in 2023, 2 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade5
- Transportation and warehousing5
- Professional, scientific, and technical services5
- Other services (except public administration)5
- Construction4
- Health care and social assistance4
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 51551?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 51540 | Hastings | 372 | $84k | 5.2 mi |
| 51534 | Glenwood | 8,874 | $94k | 7.6 mi |
| 51653 | Tabor | 1,446 | $71k | 9.2 mi |
| 51649 | Randolph | 346 | $58k | 10.2 mi |
| 51571 | Silver City | 902 | $95k | 10.6 mi |
| 51645 | Imogene | 419 | $218k | 11.4 mi |
| 51533 | Emerson | 844 | $69k | 11.4 mi (near) |
| 51561 | Pacific Junction | 1,039 | $113k | 11.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.