Ada County, ID

County in Idaho, West · ranked on 40 metrics

Ada County, ID is a county in Idaho with a population of 557,057 (134th of 3,094). It ranks best for Homes with Broadband Internet (%) (88th of 3,094), Adults with Obesity (%) (tied 145th of 2,916), Bachelor’s Degree or Higher (% of Adults 25+) (176th of 3,094). It ranks lowest for Median Home Value ($2,000,001 Means $2M or More) (2,961st of 3,092).

Population
557.1K
134th highest of 3,094
Density
529.5
271st highest of 3,094
Growth since 2020
11.8%
191st highest of 3,094
Area
1,052
614th highest of 3,094
Region
West
Idaho

Strengths and weak spotsPercentileWhere a place sits among all places, from 0 to 100. 100 is the best, 50 is the middle, 0 is the worst.More in the glossary →

Percentile on 21 metrics that rank at least half of all US counties, given whether higher or lower is better.

Best at

Highest percentiles, given whether higher or lower is better

  1. Housing, Income and Commutes by County (Census) · 2024
    88th of 3,094
  2. Health of Adults by County (CDC PLACES) · 2023
    tied 85th of 2,916
  3. Health of Adults by County (CDC PLACES) · 2023
    tied 103rd of 2,916
  4. Health of Adults by County (CDC PLACES) · 2023
    tied 114th of 2,916
  5. Health of Adults by County (CDC PLACES) · 2022
    tied 139th of 3,094
  6. Health of Adults by County (CDC PLACES) · 2023
    tied 145th of 2,916
  7. Health of Adults by County (CDC PLACES) · 2023
    tied 157th of 2,916
  8. Housing, Income and Commutes by County (Census) · 2024
    176th of 3,094
  9. Housing, Income and Commutes by County (Census) · 2024
    276th of 3,093
  10. Housing, Income and Commutes by County (Census) · 2024
    423rd of 3,094

Worst at

Lowest percentiles, given whether higher or lower is better

  1. Housing, Income and Commutes by County (Census) · 2024
    2,961st of 3,092
  2. Housing, Income and Commutes by County (Census) · 2024
    2,888th of 3,090
  3. Health of Adults by County (CDC PLACES) · 2023
    tied 1,909th of 2,916
  4. Climate by County (1991–2020 Averages)
    1,870th of 3,050
  5. Health of Adults by County (CDC PLACES) · 2023
    tied 1,734th of 2,916
  6. Health of Adults by County (CDC PLACES) · 2023
    tied 1,573rd of 2,916
  7. Climate by County (1991–2020 Averages)
    tied 1,089th of 3,050
  8. Housing, Income and Commutes by County (Census) · 2024
    902nd of 3,094
  9. Health of Adults by County (CDC PLACES) · 2023
    tied 759th of 2,916
  10. Poorest Counties
    276th of 2,000

Profile by category

Average percentile per category, from the median line. Select a category to list its metrics.

Strongest category Health (78), weakest Economics (67). Select a category to list its metrics.

Notable facts

Where it ranks first or last among US counties

Never first or last on a widely ranked metric.

Where it is

Shaded by population; select a place to open it

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Similar places

Closest percentiles on 16 widely reported measures from 6 categories, leaving out size and totals

  1. Compared on 12 of 16
  2. Compared on 15 of 16
  3. Sarpy County, NE87% similar
    Compared on 15 of 16
  4. Davis County, UT86% similar
    Compared on 13 of 16

Quick answers

What is the population of Ada County, ID?
Ada County, ID has a population of 557,057, 134th among 3,094 US counties.
What does Ada County, ID rank best at?
Among US counties, Ada County, ID ranks best for Homes with Broadband Internet (%) (88th of 3,094); Adults with Obesity (%) (tied 145th of 2,916); Bachelor’s Degree or Higher (% of Adults 25+) (176th of 3,094).
Where does Ada County, ID rank worst?
Ada County, ID ranks lowest for Median Home Value ($2,000,001 Means $2M or More) (2,961st of 3,092).
How many statistics does Rankodex have for Ada County, ID?
Rankodex ranks Ada County, ID on 40 statistics compared with other US counties, compiled from World Population Review and the sources it cites.

Every metric

40 metrics with a value for this place, in 10 topics