ZIP code 51545
Where is ZIP code 51545?
Little Sioux, Iowa
Harrison County · Standard ZIP code
ZIP code 51545 belongs to Little Sioux, Iowa in Harrison County. 51545 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 codes 402, 531 and 712. About 267 people live in the 51545 area, where the median household income is $70,313. The closest ZIP codes are 51564 (Pisgah, 5.8 mi east), 51557 (Mondamin, 7 mi south) and 51523 (Blencoe, 8.4 mi north).
| ZIP code | 51545 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Little Sioux |
| State | Iowa (IA) |
| County | Harrison County |
| Time zone | Central Time · now |
| Area codes | 402, 531, 712 |
| Coordinates | 41.8083, -96.0314 map |
| 3-digit prefix | 515 |
Population and income in 51545
| Population | 267 · lower than 84% of Iowa ZIP codes |
|---|---|
| People per square mile | 6 · lower than 95% of Iowa ZIP codes |
| Median age | 58.7 years · higher than 94% of Iowa ZIP codes |
| Men / women | 46% / 54% |
| Median household income | $70,313 · lower than 60% of Iowa ZIP codes |
| Income per person | $32,551 |
| Below the poverty line | 16% |
| Bachelor’s degree or higher | 5.8% of adults 25+ |
| Median home value | $80,000 · lower than 95% of Iowa ZIP codes |
| Median rent | $508 a month |
| Housing units | 173 |
| Households | 131 (2.04 people on average) |
| Owners / renters | 86% / 15% |
| Land area | 46.47 sq mi (plus 0.82 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 51545. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 51545
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 51564 | Pisgah, IA | 5.8 mi E | Standard |
| 51557 | Mondamin, IA | 7 mi S | Standard |
| 51523 | Blencoe, IA | 8.4 mi N | Standard |
| 68061 | Tekamah, NE | 10.3 mi W | Standard |
| 51550 | Magnolia, IA | 11.4 mi SE | Standard |
| 51556 | Modale, IA | 12.1 mi S | Standard |
| 51558 | Moorhead, IA | 12.9 mi NE | Standard |
| 51040 | Onawa, IA | 16.3 mi N | Standard |
| 51546 | Logan, IA | 16.9 mi SE | Standard |
| 68029 | Herman, NE | 17 mi SW | Standard |
| 68020 | Decatur, NE | 17.5 mi NW | Standard |
| 51579 | Woodbine, IA | 17.7 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 51545 or measure the distance to another ZIP code.
How to address mail to 51545
123 MAIN ST
LITTLE SIOUX IA 51545
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (51545-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 51545?
- 51545 is a Little Sioux, Iowa ZIP code.
- What county is 51545 in?
- ZIP code 51545 is in Harrison County, Iowa.
- What time zone is ZIP code 51545 in?
- 51545 is in the Central Time zone (America/Chicago).
- What area code is 51545?
- Phone numbers in ZIP code 51545 use area codes 402, 531 and 712.
- What is the population of ZIP code 51545?
- About 267 people live in ZIP code 51545, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 51545?
- The median household income in 51545 is $70,313 a year, lower than 60% of Iowa ZIP codes.
- What ZIP codes are near 51545?
- The nearest ZIP codes to 51545 are 51564 (Pisgah, 5.8 miles), 51557 (Mondamin, 7 miles), 51523 (Blencoe, 8.4 miles) and 68061 (Tekamah, 10.3 miles).