ZIP code 50231
Where is ZIP code 50231?
Randall, Iowa
Hamilton County · PO Box only ZIP code
ZIP code 50231 belongs to Randall, Iowa in Hamilton County. 50231 is a PO Box only ZIP code: it is used for post office boxes at the Randall post office, not for street addresses. It is in the Central Time zone and uses area code 515. About 142 people live in the 50231 area, where the median household income is $72,321. The closest ZIP codes are 50248 (Story City, 3.8 mi south), 50075 (Ellsworth, 5.1 mi northeast) and 50130 (Jewell, 5.6 mi north).
| ZIP code | 50231 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Randall |
| State | Iowa (IA) |
| County | Hamilton County |
| Time zone | Central Time · now |
| Area code | 515 |
| Coordinates | 42.2383, -93.6008 map |
| 3-digit prefix | 502 |
Population and income in 50231
| Population | 142 · lower than 91% of Iowa ZIP codes |
|---|---|
| People per square mile | 313 · higher than 87% of Iowa ZIP codes |
| Median age | 51.5 years · higher than 84% of Iowa ZIP codes |
| Men / women | 46% / 54% |
| Median household income | $72,321 · lower than 55% of Iowa ZIP codes |
| Income per person | $36,654 |
| Below the poverty line | 7.7% |
| Bachelor’s degree or higher | 15% of adults 25+ |
| Median home value | $110,800 · lower than 81% of Iowa ZIP codes |
| Housing units | 65 |
| Households | 61 (2.33 people on average) |
| Owners / renters | 93% / 6.6% |
| Land area | 0.45 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 50231. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 50231
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 50248 | Story City, IA | 3.8 mi S | Standard |
| 50075 | Ellsworth, IA | 5.1 mi NE | Standard |
| 50130 | Jewell, IA | 5.6 mi N | Standard |
| 50236 | Roland, IA | 7 mi SE | Standard |
| 50105 | Gilbert, IA | 8.8 mi S | Standard |
| 50246 | Stanhope, IA | 9.6 mi W | Standard |
| 50102 | Garden City, IA | 10.5 mi E | PO Box only |
| 50230 | Radcliffe, IA | 10.8 mi NE | Standard |
| 50154 | Mc Callsburg, IA | 11.6 mi SE | Standard |
| 50132 | Kamrar, IA | 12.6 mi NW | Standard |
| 50010 | Ames, IA | 13.8 mi S | Standard |
| 50014 | Ames, IA | 14 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 50231 or measure the distance to another ZIP code.
How to address mail to 50231
PO BOX 123
RANDALL IA 50231
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (50231-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 50231?
- 50231 is a Randall, Iowa ZIP code.
- What county is 50231 in?
- ZIP code 50231 is in Hamilton County, Iowa.
- What time zone is ZIP code 50231 in?
- 50231 is in the Central Time zone (America/Chicago).
- What area code is 50231?
- Phone numbers in ZIP code 50231 use area code 515.
- What is the population of ZIP code 50231?
- About 142 people live in ZIP code 50231, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 50231?
- The median household income in 50231 is $72,321 a year, lower than 55% of Iowa ZIP codes.
- Can I use 50231 for a street address?
- No. 50231 is only for PO Boxes. Street addresses in Randall use another ZIP code.
- What ZIP codes are near 50231?
- The nearest ZIP codes to 50231 are 50248 (Story City, 3.8 miles), 50075 (Ellsworth, 5.1 miles), 50130 (Jewell, 5.6 miles) and 50236 (Roland, 7 miles).