ZIP Code 51031
ZIP Code Tabulation Area in Plymouth County, Iowa.
- Population
- 12,785
- Median household income
- $74,978
- Median home value
- $208,900
+6.3%’19–’23
+13.7%’19–’23
+28.3%’19–’23
ZIP Code 51031 is a ZIP Code Tabulation Area in Plymouth County, Iowa, home to about 12,785 residents. The median household income of $74,978 is below the Plymouth County median ($81,600).
Between 2019 and 2023, ZIP Code 51031's population grew 6.3% from 12,026 to 12,785, while its median gross rent rose 32.6% from $681 to $903.
The largest age group is 5 to 17, 20.8% of residents. White (non-Hispanic) residents are the largest group, 84.7% of the population.
Demographics
ACS 2019–2023- Population
- 12,785
- Median age
- 39.0 yrs
- Median household income
- $74,978
- Median home value
- $208,900
- Median gross rent
- $903
- Housing units
- 5,443
- Homeownership rate
- 65.8%
- Bachelor's degree or higher
- 24.8%
- Unemployment rate
- 1.5%
Trends
ACS 5-year · 2019–202312,02612,785
$65,919$74,978
$162,800$208,900
$681$903
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 12,026 | $65,919 | $162,800 | $681 |
| 2020 | 12,021 | $69,342 | $170,400 | $766 |
| 2021 | 12,418 | $70,727 | $172,300 | $797 |
| 2022 | 12,595 | $75,540 | $190,300 | $835 |
| 2023 | 12,785 | $74,978 | $208,900 | $903 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 55.3%
5 to 1720.8%
18 to 247.5%
25 to 3412.5%
35 to 4412.2%
45 to 5412.2%
55 to 6412.6%
65 to 749.7%
75 and over7.3%
| Count | Share | |
|---|---|---|
| Under 5 | 679 | 5.3% |
| 5 to 17 | 2,657 | 20.8% |
| 18 to 24 | 954 | 7.5% |
| 25 to 34 | 1,597 | 12.5% |
| 35 to 44 | 1,558 | 12.2% |
| 45 to 54 | 1,555 | 12.2% |
| 55 to 64 | 1,613 | 12.6% |
| 65 to 74 | 1,241 | 9.7% |
| 75 and over | 931 | 7.3% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 10,832 | 84.7% |
| Black or African American | 570 | 4.5% |
| American Indian & Alaska Native | 1 | 0.0% |
| Asian | 18 | 0.1% |
| Native Hawaiian & Pacific Islander | 13 | 0.1% |
| Some other race | 0 | 0.0% |
| Two or more races | 187 | 1.5% |
| Hispanic or Latino (any race) | 1,164 | 9.1% |
Educational attainment (age 25+)
No high school diploma5.5%
High school graduate35.5%
Some college or associate's34.1%
Bachelor's degree19.7%
Graduate or professional degree5.2%
| Count | Share | |
|---|---|---|
| No high school diploma | 469 | 5.5% |
| High school graduate | 3,019 | 35.5% |
| Some college or associate's | 2,898 | 34.1% |
| Bachelor's degree | 1,671 | 19.7% |
| Graduate or professional degree | 438 | 5.2% |
Commute to work
- Mean travel time to work
- 16 min
Drove alone80.5%
Carpooled11.3%
Public transit0.4%
Walked2.4%
Bicycle0.2%
Worked from home4.7%
Other means0.5%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 5,410 | 80.5% |
| Carpooled | 756 | 11.3% |
| Public transit | 28 | 0.4% |
| Walked | 159 | 2.4% |
| Bicycle | 12 | 0.2% |
| Worked from home | 318 | 4.7% |
| Other means | 36 | 0.5% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 3,937 | 61.5% |
| 15 to 29 min | 1,215 | 19.0% |
| 30 to 44 min | 953 | 14.9% |
| 45 to 59 min | 137 | 2.1% |
| 60+ min | 159 | 2.5% |
Households
- Average household size
- 2.41
- Poverty rate
- 8.0% (1,016 of 12,622)
| Count | Share | |
|---|---|---|
| Family households | 3,414 | 65.5% |
| Nonfamily households | 1,800 | 34.5% |
Housing
- Median year structure built
- 1973
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 5,214 | 95.8% |
| Vacant | 229 | 4.2% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 3,430 | 65.8% |
| Renter-occupied | 1,784 | 34.2% |
1-unit, detached64.7%
1-unit, attached3.8%
2 to 4 units8.7%
5 to 19 units13.7%
20 or more units2.4%
Mobile home & other6.7%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 3,519 | 64.7% |
| 1-unit, attached | 205 | 3.8% |
| 2 to 4 units | 476 | 8.7% |
| 5 to 19 units | 748 | 13.7% |
| 20 or more units | 129 | 2.4% |
| Mobile home & other | 366 | 6.7% |
Geography
- ZCTA
- 51031
- Land area
- 234 sq mi
- Water area
- 0.01 sq mi
- Center point
- 42.8032, -96.1864
Counties this ZIP covers
2Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)