Residential delivery area · Iowa
ZIP Code 51052: Salix, IA
ZIP code 51052 uses the postal name Salix, Iowa and lies entirely in Woodbury County (Census 2020 ZIP-county file). About 1,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $108,750 (Census Bureau, ACS 2020-2024). By Census place, 3% of its land lies in Salix; 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Salix · its only residential ZIP
- County
- Woodbury County
- Census places
- Salix
- Metro area
- Sioux City, IA-NE-SD
- House district
- IA-4 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 61.7 sq mi · 17 people per sq mi
Where is ZIP code 51052?
51052 centers on 42.308°, -96.266° and covers 61.7 square miles of land plus 1.6 of water. It borders 6 ZIP codes: 51054, 51055, 51007, 68030, 51026, 68071.
The map draws ZIP code areas only. For the streets inside 51052, 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 51052 compare with the rest of Woodbury County?
| Measure | 51052 | In Woodbury County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,050 | 15th of 26 | 452nd of 970 |
| Median household income | $109k | not ranked | not ranked |
| Median home value | $281k | 2nd of 14 | 65th of 423 |
51052's median household income is not ranked: its 90% margin of error (±$41,657) is more than a quarter of the figure ($108,750). 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 23% 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 51052?
The 2020 Census counted 956 people in 51052; the ACS, which samples households over 2020-2024, estimates 1,050. Between the 2010 and 2020 censuses its population fell 6.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,050±206 (90% margin)
- 2020 Census count
- 956−6.9% since 2010 (1,027)
- Households
- 474
- Median age
- 55.2
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 51052?
Of the 1,050 people the ACS estimates in 51052, 17.4% are under 18 and 33.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.6%).
- Under 1817.4%
- 18 to 6448.7%
- 65 and older33.9%
- White, not Hispanic94.6%
- Other or two or more3.0%
- Asian, not Hispanic1.7%
- Hispanic or Latino0.7%
- Black, 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 51052 earn?
Median household income is $108,750 (ACS 2020-2024). It is not measurably different from 2015-2019 ($76,810 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $108,750±$41,657
- Income per person
- $50,935
- Below the poverty line
- 1.5%
- Unemployed (of the labor force)
- 4.9%
- Adults 25+ with a bachelor's degree
- 27.3%
- Adjusted gross income per tax return, 2022
- $74,113460 returns; wages 71% 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 51052?
- Median home value (owners' estimate)
- $281,100
- Median gross rent
- $775
- Homes owned by their occupants
- 79.3%
- Housing units
- 490
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 51052?
17 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction3
- Other services (except public administration)3
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 51052?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 51054 | Sergeant Bluff | 5,583 | $120k | 6.1 mi |
| 51055 | Sloan | 1,346 | $72k | 6.9 mi |
| 51007 | Bronson | 691 | $117k | 7.6 mi |
| 68030 | Homer, NE | 671 | $76k | 10.0 mi |
| 51026 | Hornick | 910 | $81k | 10.7 mi |
| 68071 | Winnebago, NE | 2,159 | $68k | 11.8 mi |
| 51015 | Climbing Hill | 45 | $88k | 9.7 mi (near) |
| 51111 | Sioux City | 39 | – | 10.0 mi (near) |
| 51106 | Sioux City | 28,592 | $78k | 11.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.