Boise City Wire

Ada County ranked second among counties in Idaho by annual earnings per resident, according to data obtained from the U.S. Census Bureau.

The median income of Ada County residents was $31,633 per year, adjusted for inflation. It had 168,741 households with a population of 446,052.

The county with the highest median resident income in the state was Teton County with $32,254 per year after adjusting for inflation – $621 more than Ada County. It had 3,736 households with a population of 11,080.

The county with the lowest median resident income in the state was Madison County with $12,016 per year after adjusting for inflation – $19,617 less than Ada County. It had 10,625 households with a population of 38,705.

Idaho counties by earnings per resident (2018)

Rank	County	Earnings per resident
1	Teton County	$32,254
2	Ada County	$31,633
3	Blaine County	$30,829
4	Boise County	$27,595
5	Kootenai County	$27,268
6	Nez Perce County	$27,061
7	Caribou County	$26,852
8	Power County	$26,404
9	Valley County	$25,923
10	Jefferson County	$25,895
11	Bonneville County	$25,881
12	Elmore County	$25,658
13	Payette County	$25,581
14	Boundary County	$25,568
15	Cassia County	$25,277
16	Minidoka County	$25,230
17	Twin Falls County	$25,185
18	Adams County	$25,054
18	Butte County	$25,054
20	Gooding County	$24,955
21	Lincoln County	$24,797
22	Fremont County	$24,671
23	Bonner County	$24,336
24	Canyon County	$23,839
25	Clearwater County	$23,756
26	Jerome County	$23,619
27	Bingham County	$23,526
28	Franklin County	$23,481
29	Bannock County	$23,419
30	Lewis County	$23,365
31	Bear Lake County	$23,125
32	Benewah County	$23,080
33	Owyhee County	$22,902
34	Oneida County	$22,450
35	Lemhi County	$22,316
36	Camas County	$22,250
37	Shoshone County	$21,982
38	Latah County	$21,946
39	Washington County	$21,481
40	Idaho County	$21,402
41	Clark County	$21,111
42	Gem County	$21,102
43	Custer County	$18,668
44	Madison County	$12,016

* All values are inflation-adjusted