ZIP code 51331
Where is ZIP code 51331?
Arnolds Park, Iowa
Dickinson County · Standard ZIP code
ZIP code 51331 belongs to Arnolds Park, Iowa in Dickinson County. 51331 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area code 712. About 935 people live in the 51331 area, where the median household income is $89,167. The closest ZIP codes are 51355 (Okoboji, 1.8 mi north), 51351 (Milford, 3.5 mi southwest) and 51360 (Spirit Lake, 4.4 mi north).
| ZIP code | 51331 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Arnolds Park |
| State | Iowa (IA) |
| County | Dickinson County |
| Time zone | Central Time · now |
| Area code | 712 |
| Coordinates | 43.3637, -95.1282 map |
| 3-digit prefix | 513 |
Population and income in 51331
| Population | 935 · higher than 50% of Iowa ZIP codes |
|---|---|
| People per square mile | 583 · higher than 91% of Iowa ZIP codes |
| Median age | 64.8 years · higher than 98% of Iowa ZIP codes |
| Men / women | 47% / 53% |
| Median household income | $89,167 · higher than 78% of Iowa ZIP codes |
| Income per person | $70,729 |
| Below the poverty line | 5.8% |
| Bachelor’s degree or higher | 41% of adults 25+ |
| Median home value | $448,800 · higher than 100% of Iowa ZIP codes |
| Median rent | $497 a month |
| Housing units | 1,618 |
| Households | 522 (1.79 people on average) |
| Owners / renters | 89% / 11% |
| Land area | 1.61 sq mi (plus 0.91 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 51331. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 51331
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 51355 | Okoboji, IA | 1.8 mi N | Standard |
| 51351 | Milford, IA | 3.5 mi SW | Standard |
| 51360 | Spirit Lake, IA | 4.4 mi N | Standard |
| 51364 | Terril, IA | 8.2 mi E | Standard |
| 51363 | Superior, IA | 10.2 mi NE | PO Box only |
| 51347 | Lake Park, IA | 11.2 mi NW | Standard |
| 51301 | Spencer, IA | 15.1 mi S | Standard |
| 51334 | Estherville, IA | 15.8 mi E | Standard |
| 51333 | Dickens, IA | 16.1 mi SE | Standard |
| 51365 | Wallingford, IA | 17 mi E | Standard |
| 51345 | Harris, IA | 17 mi W | Standard |
| 51338 | Everly, IA | 17.1 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 51331 or measure the distance to another ZIP code.
How to address mail to 51331
123 MAIN ST
ARNOLDS PARK IA 51331
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (51331-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 51331?
- 51331 is a Arnolds Park, Iowa ZIP code.
- What county is 51331 in?
- ZIP code 51331 is in Dickinson County, Iowa.
- What time zone is ZIP code 51331 in?
- 51331 is in the Central Time zone (America/Chicago).
- What area code is 51331?
- Phone numbers in ZIP code 51331 use area code 712.
- What is the population of ZIP code 51331?
- About 935 people live in ZIP code 51331, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 51331?
- The median household income in 51331 is $89,167 a year, higher than 78% of Iowa ZIP codes.
- What ZIP codes are near 51331?
- The nearest ZIP codes to 51331 are 51355 (Okoboji, 1.8 miles), 51351 (Milford, 3.5 miles), 51360 (Spirit Lake, 4.4 miles) and 51364 (Terril, 8.2 miles).