51102 ZIP Code
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ZIP code 51102 covers Sioux City, Iowa. It has no Census ZIP Code Tabulation Area, which is how the Census Bureau treats ZIP codes that are not residential neighbourhoods — PO box-only ranges, military addresses, and codes assigned to a single large organisation. There are no population or income figures for it because nobody is counted as living there.
- Time zone
- Central UTC-06:00observes daylight saving time
- Businesses
- 37
Where 51102 is
Sioux City, Iowa — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.
Business and employment
Census ZIP Code Business Patterns 2022
| Business establishments | 37 |
|---|---|
| People employed | 842 |
| Annual payroll | $61,251,000 |
Climate
NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.
| Weather station | SIOUX CITY GATEWAY AP, IA US5.6 km away |
|---|---|
| Rain in a year | 29 in |
| Snow in a year | 36 in |
Average high and low by month
| January | 29.5°F / 10.4°F0.69 in rain, 7.7 in snow |
|---|---|
| February | 34.2°F / 14.8°F0.86 in rain, 8.7 in snow |
| March | 47.6°F / 25.9°F1.76 in rain, 5.7 in snow |
| April | 61.1°F / 36.7°F3.15 in rain, 2.3 in snow |
| May | 72.3°F / 48.7°F3.87 in rain |
| June | 81.9°F / 59.4°F4.35 in rain |
| July | 85°F / 63.4°F3.35 in rain |
| August | 82.6°F / 60.8°F3.94 in rain |
| September | 76.6°F / 51.2°F2.84 in rain |
| October | 62.8°F / 37.9°F2.2 in rain, 0.8 in snow |
| November | 46.8°F / 25°F1.27 in rain, 3.2 in snow |
| December | 33.4°F / 14.8°F0.99 in rain, 7.6 in snow |
Nearby ZIP codes
The closest ZIP codes by centre point, which is not the same as sharing a border.
| 51054 Sergeant Bluff, IA | 4.7 km away |
|---|---|
| 51052 Salix, IA | 4.9 km away |
| 51111 Sioux City, IA | 6.3 km away |
| 68731 Dakota City, NE | 11.2 km away |
| 51106 Sioux City, IA | 11.3 km away |
| 51007 Bronson, IA | 11.9 km away |
| 68030 Homer, NE | 12.8 km away |
| 68776 South Sioux City, NE | 13.6 km away |
Location, counties and time zone
County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.
| Time zone | Central (UTC-06:00 standard) |
|---|---|
| Daylight saving time | Observed |
| Latitude, longitude | 42.3684, -96.3180 |
Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.