ZIP code 50623
Where is ZIP code 50623?
Dewar, Iowa
Black Hawk County · PO Box only ZIP code
ZIP code 50623 belongs to Dewar, Iowa in Black Hawk County. 50623 is a PO Box only ZIP code: it is used for post office boxes at the Dewar post office, not for street addresses. It is in the Central Time zone and uses area code 319. About 153 people live in the 50623 area, where the median household income is $93,750. The closest ZIP codes are 50667 (Raymond, 4 mi south), 50707 (Evansdale, 4.6 mi southwest) and 50626 (Dunkerton, 4.8 mi northeast).
| ZIP code | 50623 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Dewar |
| State | Iowa (IA) |
| County | Black Hawk County |
| Time zone | Central Time · now |
| Area code | 319 |
| Coordinates | 42.5253, -92.2207 map |
| 3-digit prefix | 506 |
Population and income in 50623
| Population | 153 · lower than 91% of Iowa ZIP codes |
|---|---|
| People per square mile | 74 · higher than 77% of Iowa ZIP codes |
| Median age | 60 years · higher than 95% of Iowa ZIP codes |
| Men / women | 57% / 43% |
| Median household income | $93,750 · higher than 84% of Iowa ZIP codes |
| Income per person | $37,773 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 3.2% of adults 25+ |
| Median home value | $170,800 · higher than 58% of Iowa ZIP codes |
| Housing units | 66 |
| Households | 66 (2.32 people on average) |
| Owners / renters | 100% / 0.0% |
| Land area | 2.07 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 50623. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 50623
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 50667 | Raymond, IA | 4 mi S | Standard |
| 50707 | Evansdale, IA | 4.6 mi SW | Standard |
| 50626 | Dunkerton, IA | 4.8 mi NE | Standard |
| 50703 | Waterloo, IA | 5.5 mi W | Standard |
| 50614 | Cedar Falls, IA | 5.9 mi SW | Unique |
| 50704 | Waterloo, IA | 5.9 mi SW | PO Box only |
| 50702 | Waterloo, IA | 6.9 mi SW | Standard |
| 50634 | Gilbertville, IA | 7.6 mi S | PO Box only |
| 50701 | Waterloo, IA | 8.1 mi SW | Standard |
| 50648 | Jesup, IA | 9.4 mi E | Standard |
| 50629 | Fairbank, IA | 11.4 mi NE | Standard |
| 50668 | Readlyn, IA | 11.6 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 50623 or measure the distance to another ZIP code.
How to address mail to 50623
PO BOX 123
DEWAR IA 50623
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (50623-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 50623?
- 50623 is a Dewar, Iowa ZIP code.
- What county is 50623 in?
- ZIP code 50623 is in Black Hawk County, Iowa.
- What time zone is ZIP code 50623 in?
- 50623 is in the Central Time zone (America/Chicago).
- What area code is 50623?
- Phone numbers in ZIP code 50623 use area code 319.
- What is the population of ZIP code 50623?
- About 153 people live in ZIP code 50623, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 50623?
- The median household income in 50623 is $93,750 a year, higher than 84% of Iowa ZIP codes.
- Can I use 50623 for a street address?
- No. 50623 is only for PO Boxes. Street addresses in Dewar use another ZIP code.
- What ZIP codes are near 50623?
- The nearest ZIP codes to 50623 are 50667 (Raymond, 4 miles), 50707 (Evansdale, 4.6 miles), 50626 (Dunkerton, 4.8 miles) and 50703 (Waterloo, 5.5 miles).