| ZIP Code | 51431 |
|---|---|
| City | Arthur |
| State | Iowa (IA) |
| County | Ida County |
| Area Code | 712 |
| Elevation | 1,307 ft |
| Latitude | 42.344418 |
|---|---|
| Longitude | -95.351451 |
| Timezone | Chicago (DST) |
| FIPS | 19093 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 38.7 yrs ↓ 23% since 2019 |
|---|---|
| Avg Household Size | 2.32 |
| Below Poverty | 10.8% ▲ 8% above avg |
| College Grads | 27.3% ▼ 30% below avg |
| Unemployment | 0.4% ▼ 92% below avg |
| No HS Diploma | 2 (0.7%) |
| HS Graduate | 132 (48%) |
| Some College | 50 (18.2%) |
| Associates | 16 (5.8%) |
| Bachelors | 38 (13.8%) |
| Graduate Degree | 37 (13.5%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $54,333 ▼ 29% below avg ↑ 17% since 2019 |
|---|---|
| Median Home Value | $83,300 ▼ 70% below avg ↑ 4% since 2019 |
| Home/Income Ratio | 1.5x (nat avg ~3.5x) |
| Median Rent | $630/mo ↑ 10% since 2019 |
| Total Units | 211 |
| Vacant Units | 7 |
| Avg HH Size | 2.32 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 211 |
|---|---|
| Vacant | 7 |
| Owner Occupied | 68.6% |
| Renter Occupied | 31.4% |
| Avg HH Size | 2.32 |
ZIP code 51431 is located in Arthur, Iowa, within Ida County. With a population of 473, this is a sparsely populated ZIP code with a middle-aged community — the median age is 38.7 years. Economically, 51431 is a working-class ZIP code: the median household income of $54,333 is below the national average.
Real estate in ZIP code 51431 represents one of the more affordable housing markets in the country. The median home value of $83,300 is well below the national average. Renters can expect to pay around $630 per month in median rent. Homeownership is strong here — 68.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 4% since 2019.
The population of 51431 is primarily White (85.62%). Residents are moderately educated — 27.3% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 10.8%. Household income has grown by 17% since 2019.
The unemployment rate in 51431 stands at 0.4%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 86%.
Overall, ZIP code 51431 in Arthur, IA is characterized as working-class, moderately educated, a middle-aged community, and predominantly owner-occupied. With 473 residents, a median household income of $54,333, and a median home value of $83,300, it offers a clear picture of life in this part of Iowa.