Residential delivery area · Iowa
ZIP Code 51571: Silver City, IA
ZIP code 51571 uses the postal name Silver City, Iowa and lies mostly in Mills County (66% of its land) with the rest in Pottawattamie County (Census 2020 ZIP-county file). About 900 people live there (Census Bureau, ACS 2020-2024). Median household income is $95,250 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Silver City; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Silver City · its only residential ZIP
- County
- Mills County (66%); Pottawattamie County (34%)
- Census places
- Silver City
- Metro area
- Omaha, NE-IA
- House district
- IA-4 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 46.0 sq mi · 20 people per sq mi
Where is ZIP code 51571?
51571 centers on 41.142°, -95.617° and covers 46.0 square miles of land plus 0.0 of water. It borders 8 ZIP codes: 51554, 51575, 51549, 51534, 51540, 51503, 51541, 51551.
The map draws ZIP code areas only. For the streets inside 51571, 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 51571 compare with the rest of Mills County?
| Measure | 51571 | In Mills County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 902 | 6th of 11 | 499th of 970 |
| Median household income | $95k | not ranked | not ranked |
| Median home value | $221k | not ranked | not ranked |
51571's income and home value are not ranked: it has fewer than 1,000 residents (902). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 26% of 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 51571?
The 2020 Census counted 635 people in 51571; the ACS, which samples households over 2020-2024, estimates 902. Between the 2010 and 2020 censuses its population fell 2.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 902±228 (90% margin)
- 2020 Census count
- 635−2.2% since 2010 (649)
- Households
- 271
- Median age
- 38.2
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 51571?
Of the 902 people the ACS estimates in 51571, 33.0% are under 18 and 15.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.6%).
- Under 1833.0%
- 18 to 6451.4%
- 65 and older15.5%
- White, not Hispanic92.6%
- Black, not Hispanic4.0%
- Asian, not Hispanic3.0%
- Other or two or more0.4%
- Hispanic or Latino0.0%
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 51571 earn?
Median household income is $95,250 (ACS 2020-2024). It is not measurably different from 2015-2019 ($100,920 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $95,250±$20,360
- Income per person
- $41,199
- Below the poverty line
- 11.1%
- Unemployed (of the labor force)
- 2.7%
- Adults 25+ with a bachelor's degree
- 30.4%
- Adjusted gross income per tax return, 2022
- $110,913300 returns; wages 50% 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 51571?
FHFA's house price index for 51571, built from repeat sales and appraisals of the same homes, rose 116% from 2015 to 2025 and rose 88% from 2020 to 2025.
- Median home value (owners' estimate)
- $221,400
- Median gross rent
- $1,130
- Homes owned by their occupants
- 82.7%
- Housing units
- 328
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 51571?
8 business establishments had a location in this ZIP code in 2023, 1 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction3
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 51571?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 51554 | Mineola | 194 | $103k | 3.4 mi |
| 51575 | Treynor | 1,609 | $112k | 6.8 mi |
| 51549 | Macedonia | 363 | $73k | 8.4 mi |
| 51534 | Glenwood | 8,874 | $94k | 8.8 mi |
| 51540 | Hastings | 372 | $84k | 10.2 mi |
| 51503 | Council Bluffs | 37,972 | $79k | 10.4 mi |
| 51541 | Henderson | 273 | $92k | 10.4 mi |
| 51551 | Malvern | 1,842 | $86k | 10.6 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.