County ProfileID
Ada County
Population: 494,967 · 34 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
494,967
People
Median age
38.4
Housing
Total households
202,543
Income
Median household income
$91,502
Housing
Total housing units
211,440
Employment
Employment rate
63.6%
Education
Bachelor’s degree or higher
44.6%
Healthcare
Insured population
93.6%
County details
Local time 01:15:04(MT)| Name | Ada |
|---|---|
| Total ZIP codes | 34total |
| ZIP codes (by type) | 16 Standard8 PO Box10 Unique |
| Area code | 208, 986 |
| Timezone | Mountain Time (MT) |
| Coordinates | 43.4514764, -116.2443759 |
| Land area | 1,052.3 sq miles(2,725.3 km²) |
Map of Ada county, Idaho with ZIP codes
Cities and Communities in Ada County
Compare the largest cities in Ada County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Ada County
Review the most populated postal areas across Ada County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 83646 | Meridian | $102,861 | 69,818 |
| 83709 | Boise | $92,786 | 59,461 |
| 83642 | Meridian | $96,909 | 55,465 |
| 83704 | Boise | $73,390 | 42,430 |
| 83706 | Boise | $82,893 | 34,446 |
| 83634 | Kuna | $97,171 | 33,379 |
| 83616 | Eagle | $125,203 | 33,311 |
| 83713 | Boise | $91,295 | 30,056 |
| 83705 | Boise | $64,731 | 27,756 |
| 83714 | Garden City | $87,651 | 26,181 |
| 83702 | Boise | $85,733 | 23,951 |
| 83716 | Boise | $128,822 | 21,583 |
| 83703 | Boise | $76,910 | 18,163 |
| 83669 | Star | $100,091 | 13,647 |
| 83712 | Boise | $105,574 | 8,908 |
| 83725 | Boise | — | 6 |
| 83680 | Meridian | — | — |
| 83701 | Boise | — | — |
| 83707 | Boise | — | — |
| 83708 | Boise | — | — |
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