Residential delivery area · Iowa
ZIP Code 51565: Portsmouth, IA
ZIP code 51565 uses the postal name Portsmouth, Iowa and lies mostly in Shelby County (74% of its land) with the rest in Harrison County (Census 2020 ZIP-county file). About 520 people live there (Census Bureau, ACS 2020-2024). Median household income is $103,257 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Portsmouth; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Portsmouth · its only residential ZIP
- County
- Shelby County (74%); Harrison County (26%)
- Census places
- Portsmouth
- House district
- IA-4 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 45.7 sq mi · 11 people per sq mi
Where is ZIP code 51565?
51565 centers on 41.643°, -95.524° and covers 45.7 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 51562, 51563, 51570, 51537, 51546, 51579.
The map draws ZIP code areas only. For the streets inside 51565, 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 51565 compare with the rest of Shelby County?
| Measure | 51565 | In Shelby County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 516 | 11th of 18 | 668th of 970 |
| Median household income | $103k | not ranked | not ranked |
| Median home value | $182k | not ranked | not ranked |
51565's income and home value are not ranked: it has fewer than 1,000 residents (516). 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 18% 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 51565?
The 2020 Census counted 464 people in 51565; the ACS, which samples households over 2020-2024, estimates 516. Between the 2010 and 2020 censuses its population fell 7.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 516±166 (90% margin)
- 2020 Census count
- 464−7.4% since 2010 (501)
- Households
- 275
- Median age
- 54.6
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 51565?
Of the 516 people the ACS estimates in 51565, 14.5% are under 18 and 27.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.2%).
- Under 1814.5%
- 18 to 6458.1%
- 65 and older27.3%
- White, not Hispanic94.2%
- Hispanic or Latino3.3%
- Other or two or more2.5%
- 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 51565 earn?
Median household income is $103,257 (ACS 2020-2024). It is not measurably different from 2015-2019 ($66,564 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $103,257
- Income per person
- $45,433
- Below the poverty line
- 8.3%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 18.5%
- Adjusted gross income per tax return, 2022
- $95,650220 returns; wages 48% 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 51565?
- Median home value (owners' estimate)
- $182,100
- Median gross rent
- $833
- Homes owned by their occupants
- 64.0%
- Housing units
- 279
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 51565?
13 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction3
- Wholesale trade3
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 51565?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 51562 | Panama | 506 | $81k | 5.9 mi |
| 51563 | Persia | 629 | $69k | 5.9 mi |
| 51570 | Shelby | 1,118 | $78k | 8.5 mi |
| 51537 | Harlan | 6,382 | $65k | 11.7 mi |
| 51546 | Logan | 3,114 | $87k | 12.5 mi |
| 51579 | Woodbine | 2,282 | $73k | 13.0 mi |
| 51578 | Westphalia | 116 | $77k | 8.5 mi (near) |
| 51530 | Earling | 809 | $74k | 11.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.