County ProfileIA
Black Hawk County
Population: 131,144 · 13 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
131,144
People
Median age
35.7
Housing
Total households
54,563
Income
Median household income
$66,417
Housing
Total housing units
58,991
Employment
Employment rate
63.6%
Education
Bachelor’s degree or higher
30.3%
Healthcare
Insured population
94.9%
County details
Local time 01:48:43(CT)| Name | Black Hawk |
|---|---|
| Total ZIP codes | 13total |
| ZIP codes (by type) | 9 Standard3 PO Box1 Unique |
| Area code | 319 |
| Timezone | Central Time (CT) |
| Coordinates | 42.4711317, -92.3076003 |
| Land area | 565.8 sq miles(1,465.3 km²) |
Map of Black Hawk county, Iowa with ZIP codes
Cities and Communities in Black Hawk County
Compare the largest cities in Black Hawk County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Waterloo | 67,314 | $57,480 | 4ZIPs |
| Cedar Falls | 40,713 | $76,987 | 2ZIPs |
| Evansdale | 4,561 | $60,397 | 1ZIPs |
| Hudson | 2,546 | $120,481 | 1ZIPs |
| La Porte City | 2,284 | $70,500 | 1ZIPs |
| Dunkerton | 842 | $86,413 | 1ZIPs |
| Gilbertville | 794 | $79,583 | 1ZIPs |
| Raymond | 759 | $76,711 | 1ZIPs |
| Dewar | 146 | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Black Hawk County
Review the most populated postal areas across Black Hawk County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 50613 | Cedar Falls | $78,503 | 43,667 |
| 50701 | Waterloo | $61,475 | 29,806 |
| 50702 | Waterloo | $62,021 | 20,447 |
| 50703 | Waterloo | $50,060 | 18,913 |
| 50707 | Evansdale | $63,441 | 7,708 |
| 50651 | La Porte City | $88,333 | 3,579 |
| 50643 | Hudson | $125,804 | 2,819 |
| 50626 | Dunkerton | $84,306 | 1,652 |
| 50634 | Gilbertville | $79,583 | 795 |
| 50667 | Raymond | $76,711 | 759 |
| 50623 | Dewar | $93,750 | 146 |
| 50614 | Cedar Falls | — | — |
| 50704 | Waterloo | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS