ZIP code 51301
Where is ZIP code 51301?
Spencer, Iowa
Clay County · Standard ZIP code
ZIP code 51301 belongs to Spencer, Iowa in Clay County. 51301 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 12,638 people live in the 51301 area, where the median household income is $63,402. The closest ZIP codes are 51340 (Fostoria, 4.3 mi south), 51333 (Dickens, 8.1 mi east) and 51343 (Greenville, 8.9 mi southeast).
| ZIP code | 51301 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Spencer |
| State | Iowa (IA) |
| County | Clay County |
| Time zone | Central Time · now |
| Area code | 712 |
| Coordinates | 43.1451, -95.1457 map |
| 3-digit prefix | 513 |
Population and income in 51301
| Population | 12,638 · higher than 93% of Iowa ZIP codes |
|---|---|
| People per square mile | 80 · higher than 77% of Iowa ZIP codes |
| Median age | 41.8 years · lower than 56% of Iowa ZIP codes |
| Men / women | 49% / 52% |
| Median household income | $63,402 · lower than 74% of Iowa ZIP codes |
| Income per person | $37,984 |
| Below the poverty line | 13% |
| Bachelor’s degree or higher | 29% of adults 25+ |
| Median home value | $188,300 · higher than 65% of Iowa ZIP codes |
| Median rent | $807 a month |
| Housing units | 6,185 |
| Households | 5,680 (2.17 people on average) |
| Owners / renters | 70% / 30% |
| Land area | 157.66 sq mi (plus 0.87 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 51301. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 51301
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 51340 | Fostoria, IA | 4.3 mi S | PO Box only |
| 51333 | Dickens, IA | 8.1 mi E | Standard |
| 51343 | Greenville, IA | 8.9 mi SE | Standard |
| 51338 | Everly, IA | 9 mi W | Standard |
| 51357 | Royal, IA | 9.1 mi SW | Standard |
| 51341 | Gillett Grove, IA | 10.3 mi SE | PO Box only |
| 51351 | Milford, IA | 12.1 mi N | Standard |
| 51358 | Ruthven, IA | 13.2 mi E | Standard |
| 51364 | Terril, IA | 15.1 mi NE | Standard |
| 51331 | Arnolds Park, IA | 15.1 mi N | Standard |
| 51366 | Webb, IA | 15.5 mi SE | Standard |
| 50585 | Sioux Rapids, IA | 16.5 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 51301 or measure the distance to another ZIP code.
How to address mail to 51301
123 MAIN ST
SPENCER IA 51301
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (51301-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 51301?
- 51301 is a Spencer, Iowa ZIP code.
- What county is 51301 in?
- ZIP code 51301 is in Clay County, Iowa.
- What time zone is ZIP code 51301 in?
- 51301 is in the Central Time zone (America/Chicago).
- What area code is 51301?
- Phone numbers in ZIP code 51301 use area code 712.
- What is the population of ZIP code 51301?
- About 12,638 people live in ZIP code 51301, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 51301?
- The median household income in 51301 is $63,402 a year, lower than 74% of Iowa ZIP codes.
- What ZIP codes are near 51301?
- The nearest ZIP codes to 51301 are 51340 (Fostoria, 4.3 miles), 51333 (Dickens, 8.1 miles), 51343 (Greenville, 8.9 miles) and 51338 (Everly, 9 miles).