Residential delivery area · Iowa
ZIP Code 51601: Shenandoah, IA
ZIP code 51601 uses the postal name Shenandoah, Iowa and lies mostly in Page County (63% of its land) with the rest in Fremont County (Census 2020 ZIP-county file). About 5,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $62,143 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Shenandoah; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Shenandoah · its only residential ZIP
- County
- Page County (63%); Fremont County (37%)
- Census places
- Shenandoah
- House districts
- IA-3 (63%), IA-4 (37%) 119th Congress, by share of land
- State
- Iowa
- Time zone
- Central
- Land area
- 103.3 sq mi · 55 people per sq mi
- PO Box ZIPs
- 51603 also use the name Shenandoah
Where is ZIP code 51601?
51601 centers on 40.736°, -95.347° and covers 103.3 square miles of land plus 0.1 of water. It borders 6 ZIP codes: 51639, 51636, 51638, 51647, 51645, 51632.
The map draws ZIP code areas only. For the streets inside 51601, 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 51601 compare with the rest of Page County?
| Measure | 51601 | In Page County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 5,629 | 3rd of 13 | 134th of 970 |
| Median household income | $62k | 2nd of 5 | 340th of 396 |
| Median home value | $124k | 3rd of 5 | 370th of 423 |
Its median household income is higher than in 33% 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 51601?
The 2020 Census counted 5,681 people in 51601; the ACS, which samples households over 2020-2024, estimates 5,629. Between the 2010 and 2020 censuses its population fell 5.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 5,629
- 2020 Census count
- 5,681−5.7% since 2010 (6,025)
- Households
- 2,522
- Median age
- 47.0
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 51601?
Of the 5,629 people the ACS estimates in 51601, 19.5% are under 18 and 26.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.6%).
- Under 1819.5%
- 18 to 6454.5%
- 65 and older26.0%
- White, not Hispanic93.6%
- Hispanic or Latino3.0%
- Other or two or more3.0%
- Black, not Hispanic0.4%
- 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 51601 earn?
Median household income is $62,143 (ACS 2020-2024), the 2nd highest of the 5 ranked ZIP codes in Page County. It is not measurably different from 2015-2019 ($54,861 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $62,143±$10,084
- Income per person
- $34,465
- Below the poverty line
- 19.1%
- Unemployed (of the labor force)
- 6.0%
- Adults 25+ with a bachelor's degree
- 19.4%
- Adjusted gross income per tax return, 2022
- $64,4282,520 returns; wages 64% 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 51601?
FHFA's house price index for 51601, built from repeat sales and appraisals of the same homes, rose 92% from 2015 to 2025 and rose 60% from 2020 to 2025, and moved +8.0% in 2025.
- Median home value (owners' estimate)
- $124,200
- Median gross rent
- $780
- Homes owned by their occupants
- 60.0%
- Housing units
- 2,828
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 51601?
185 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade32
- Health care and social assistance26
- Other services (except public administration)21
- Accommodation and food services19
- Construction14
- Finance and insurance11
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 51601?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 51639 | Farragut | 919 | $85k | 6.3 mi |
| 51636 | Coin | 455 | $64k | 7.5 mi |
| 51638 | Essex | 1,258 | $59k | 8.2 mi |
| 51647 | Northboro | 172 | $24k | 9.0 mi |
| 51645 | Imogene | 419 | $218k | 10.9 mi |
| 51632 | Clarinda | 6,624 | $55k | 15.7 mi |
| 51656 | Yorktown | 57 | $84k | 10.1 mi (near) |
| 51650 | Riverton | 197 | $49k | 11.4 mi (near) |
| 51630 | Blanchard | 160 | $70k | 12.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Shenandoah?
1 more ZIP code carries the postal name Shenandoah, IA without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 51603 | Page County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.