ZIP Code 51433, Iowa
ZIP Code 51433 profile, demographic data, and geographic information.
ZCTA5 51433 is a 5-digit ZIP Code area located in Calhoun County / Sac County, Iowa. As of official census estimates, it has a reported population of 567. The land area covers 56.80 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 567 | ±181 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 38.2 yrs | ±4.5 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 227 | ±59 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 244 | ±60 |
| Occupied Housing Units | 227 | ±59 |
| Vacant Housing Units | 17 | ±13 |
| Median Home Value | $153,200 | ±$33,648 |
| Median Gross Rent | $774 | ±$111 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $68,125 | ±$30,871 |
| Per Capita Income | $32,473 | ±$4,856 |
| Poverty Rate | 20.8% | ±16.5% |
| Population Below Poverty Level | 118 | ±101 |
| Unemployment Rate | 0.6% | ±1.4% |
| Civilian Labor Force, Employed | 360 | ±108 |
| Broadband Internet Rate | 85.5% | ±11.7% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 9,711 (2024)
ID: 138186
|
County | Official County Government |
Contact: AUDITOR
416 4TH ST, STE 1, ROCKWELL CITY IA 50579-1482
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | 03-04 | Carroll, IA | |
| Regular School Nearby | PK-05 | Westside, IA | |
| Regular School Nearby | 09-12 | Carroll, IA | |
| Regular School Nearby | 05-08 | Carroll, IA | |
| Regular School Nearby | PK-06 | Sac City, IA | |
| Regular School Nearby | 07-12 | Lake View, IA | |
| Regular School Nearby | PK-02 | Carroll, IA | |
| Regular School Nearby | PK-06 | Glidden, IA | |
| Regular School Nearby | 07-12 | Glidden, IA | |
| Regular School Nearby | 06-08 | Early, IA |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 1 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
AUBURN PUBLIC LIBRARY
|
Library | 1.1 mi away | 209 PINE ST, AUBURN, IA, 51433 |
(712) 688-2264
|
|
LAKE CITY PUBLIC LIBRARY
|
Library | 7.3 mi away | 110 E WASHINGTON ST, LAKE CITY, IA, 51449 |
(712) 464-3413
|
|
LAKE VIEW PUBLIC LIBRARY
|
Library | 9.4 mi away | 202 MAIN ST, LAKE VIEW, IA, 51450 |
(712) 657-2310
|
|
LYTTON PUBLIC LIBRARY
|
Library | 10.8 mi away | 118 MAIN AST, LYTTON, IA, 50561 |
(712) 466-2522
|
|
WALL LAKE PUBLIC LIBRARY
|
Library | 11.1 mi away | 116 MAIN ST, WALL LAKE, IA, 51466 |
(712) 664-2983
|
|
SAC CITY PUBLIC LIBRARY
|
Library | 12.4 mi away | 1001 W MAIN ST, SAC CITY, IA, 50583 |
(712) 662-7276
|
|
CARROLL PUBLIC LIBRARY
|
Library | 14.0 mi away | 118 E 5TH ST, CARROLL, IA, 51401 |
(712) 792-3432
|
|
ROCKWELL CITY PUBLIC LIBRARY
|
Library | 15.2 mi away | 424 MAIN ST, ROCKWELL CITY, IA, 50579 |
(712) 297-8422
|
|
GLIDDEN PUBLIC LIBRARY
|
Library | 16.5 mi away | 110 IDAHO ST, GLIDDEN, IA, 51443 |
(712) 659-3781
|
|
J.J. HANDS LIBRARY
|
Library | 16.8 mi away | 609 2ND. ST, LOHRVILLE, IA, 51453 |
(712) 465-4115
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at SAC CITY, IA US, located 11.7 miles from ZCTA5 51433. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 26.4° | 7.8° | 17.1° | 0.73" | 7.0" |
| February | 31.1° | 11.8° | 21.5° | 0.96" | 7.4" |
| March | 44.4° | 23.5° | 34.0° | 1.82" | 4.2" |
| April | 58.9° | 34.5° | 46.7° | 3.48" | 1.9" |
| May | 70.1° | 46.9° | 58.5° | 4.59" | 0.0" |
| June | 80.1° | 57.8° | 69.0° | 5.14" | 0.0" |
| July | 83.2° | 61.7° | 72.5° | 3.89" | 0.0" |
| August | 80.9° | 58.9° | 69.9° | 4.43" | 0.0" |
| September | 75.1° | 49.7° | 62.4° | 2.85" | 0.0" |
| October | 61.8° | 37.2° | 49.5° | 2.42" | 0.5" |
| November | 45.1° | 24.4° | 34.7° | 1.57" | 2.7" |
| December | 31.7° | 14.0° | 22.9° | 1.17" | 7.2" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Auburn city | City | 1.2 mi | — |
| Yetter city | City | 3.8 mi | — |
| Lake City city | City | 7.4 mi | — |
| Breda city | City | 7.7 mi | — |
| Lake View city | City | 8.6 mi | — |
| Lytton city | City | 10.8 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 51433. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.