Boise City Wire

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

The median income of Ada County residents was an inflation-adjusted $30,613 per year. Ada County had 164,389 households in 2017, with a population of 435,117.

The county with the highest median resident income in the state was Teton County. Teton County's median income was $32,088 per year after adjusting for inflation – $1,475 more than Ada County. It had 3,764 households in 2017 and a population of 10,776.

Madison County had the lowest annual resident income among counties in Idaho, with a median income of only $11,288 per year. That was $19,325 less than the median income in Ada County at the time. Madison County had 10,633 households in 2017 and a population of 38,241.

The table below shows the state's counties ranked by median annual resident earnings in 2017.

Rank	County	Earnings per resident ($$$)
1	Teton County	32,088
2	Blaine County	31,045
3	Ada County	30,613
4	Boise County	27,005
5	Kootenai County	26,712
6	Caribou County	26,223
7	Nez Perce County	26,207
8	Power County	25,629
9	Jefferson County	25,549
10	Elmore County	25,433
11	Bonneville County	25,095
12	Fremont County	24,788
13	Valley County	24,612
14	Payette County	24,390
15	Butte County	24,360
16	Lincoln County	24,284
17	Boundary County	24,238
18	Minidoka County	24,163
19	Adams County	23,914
20	Clearwater County	23,780
21	Gooding County	23,673
22	Cassia County	23,626
23	Twin Falls County	23,578
24	Bonner County	23,480
25	Bingham County	22,986
26	Canyon County	22,910
27	Bear Lake County	22,872
28	Lewis County	22,699
29	Bannock County	22,526
30	Benewah County	22,330
31	Jerome County	22,292
32	Franklin County	22,071
33	Oneida County	22,015
34	Clark County	21,843
35	Camas County	21,708
36	Shoshone County	21,657
37	Owyhee County	21,608
38	Latah County	21,420
39	Lemhi County	21,332
40	Idaho County	21,220
41	Gem County	20,304
42	Washington County	20,288
43	Custer County	19,823
44	Madison County	11,288

* All values are inflation-adjusted