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Mackay, Idaho
Idaho›Custer County

MackayID

A town of 480, settled in 1901.

Photo: User:akampfer · CC BY-SA 3.0
Photo of Mackay

Mackay, ID · Photo: User:akampfer · CC BY-SA 3.0 · Source ↗

Is Mackay a good place to live?

Mackay has 2 places on the National Register of Historic Places, among them Mackay Episcopal Church and Mackay Methodist Episcopal Church. Mackay has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

What makes Mackay stand out

Where Mackay beats most towns.

Small town

480 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
Mackay Episcopal Church
Mackay Episcopal Church · National Register of Historic Places
Mackay’s story

125 years in pictures

Census counts: 638 in 1910, a peak of 869 in 1920, 439 in 2020. The archive holds 8 old photos and papers going back to 1909 and 3 maps from 1940 on.

2 places on the National Register of Historic Places.

  • 1901Mackay is settled
Explore the history →
Getting set up

Moving to Mackay: who provides what

Who provides power, water and the rest in Mackay, and how to reach them.

The full setup list →
PowerLost River Electric CoopEIAHIFLD · EIA
WaterCity of Mackay water systemNo health-based violations in 5 years · EPAEPA
Internet3 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Mackay’s trash rules yet
SchoolsMackay Joint School District 182Which school depends on your addressNCES
Register to voteOnlineIn Idaho you can register online until 11 days before Election Day, in person up to and including Election Day, or by mail (received 11 days before).vote.gov
Who runs elections hereCuster County ClerkCuster County; contacts on the Handbook page.FVAP, Aug 2023
ZIP code8325183251 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.

The data

Ordered by what stands out in Mackay.

Work & commute

With 2.7 jobs for every working resident, Mackay draws in 273 commuters

Since 2013, Mackay has lost 26 jobs, to 296 in 2023. In Mackay, about one in five working residents works in town. The share of residents in Mackay who live below the poverty line: 20%. Half the trips to work are shorter than 51 miles.

21%work in town
MackayIdaho townsU.S. towns
Below the poverty line20%12%9.6%
Average trip to work16 minutes20 minutes25 minutes
Working residents who work in town21%22%8%

Where working residents work

In Mackay21%
Challis22%
Idaho Falls6%
Stanley4%
Salmon4%
51 mi
median commute distance
296
jobs based in Mackay
A job hub
jobs vs. working residents

Census LEHD 2023 · ACS

Schools

The schools Mackay’s kids attend

Public schools: the Mackay Joint District. Its two schools are below. The 2 public schools in Mackay teach 218 students between them.

SchoolLevelStudentsLetter
Mackay Elementary SchoolLargest public elementary schoolGrades PK–6Grades PK–6114C
Mackay Jr./Sr. High SchoolLargest public high schoolGrades 7–12Grades 7–12104C

NCES · EDFacts

Who lives here

Mackay stands out in Idaho and nationally, with the median age higher than most

Mackay has grown 8.6% since 2020, to 480 residents in the Census Bureau’s 2025 estimate. People 65 and older are 36% of residents (17% statewide); adults 18 to 34 are 6% of residents (23% statewide). 29% of adults 25 and older have a bachelor’s degree or more, vs 32% across Idaho.

61.7median age · ID 37.3
MackayIdaho townsU.S. towns
Median age61.7 years35.1 years40.5 years
Bachelor’s degree or more, 25+29%25%29%
MackayIdahoUnited States

Ages · share of residents

Education · adults 25 and older

No diploma8%
High school40%
Some college20%
Associate’s3%
Bachelor’s22%
Graduate6%

Women and men · all residents

60% women, 40% men

About 68 men for every 100 women (the survey’s margin: ±5.6 points). Across Idaho, 49.7% of residents are women.

Ages and education in Mackay
MackayIDU.S.
Under 1016.3%12.5%11.6%
10 to 170%11.6%10.3%
18 to 245.6%9.8%9.1%
25 to 340%13%13.7%
35 to 447.1%13.1%13.2%
45 to 549.5%11.3%12.2%
55 to 6425.2%11.7%12.7%
65 to 7416.1%10.4%10.2%
75 and older20.1%6.6%7%
No diploma7.9%8.1%10.4%
High school40%26.1%26%
Some college20.4%24.2%19.1%
Associate’s3.2%9.7%8.8%
Bachelor’s22.3%21.3%21.6%
Graduate6.2%10.5%14.1%

Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 500, single groups can be off by several points

Natural hazards

The biggest natural risk in Mackay is inland flooding, at a very high overall level

Since 1997, one flood insurance claim has been paid in Mackay. Expected damage from storms and floods is higher here than in 87% of U.S. communities.

87risk score of 100
FEMA risk score
87Very high riskLowerHigher
Inland floodingAvalanchesEarthquakes
1
paid flood claims since 1997

FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA

Housing

Mackay’s typical home value is about $325K

Values rose 4% in the 12 months to September 2026. In Mackay, 75% of households are owner-occupiers, against 70% in Idaho’s towns and 73% across U.S. towns.

$325KZillow home value

Typical home value

Mackay$325K
Idaho$477K
+4%
value change, 1 year

Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center

Climate

In Mackay, expect four seasons and pleasant summers

Mackay’s midsummer high comes in at 83°F.

18″snow a winter

Typical low → high °F

Winter8–31°
Spring28–54°
Summer45–79°
Fall28–56°
Sep 20
typical first frost
Jun 1
typical last frost
+1.3°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

Compared with most of Idaho and the rest of the country, more of Mackay’s adults have high blood pressure

In Mackay, 7.8% of adults 18 to 64 have no health insurance, where Idaho’s towns sit at 11% and U.S. towns at 8.1%. Among 60 Idaho towns, just 4 have a lower share of adults who have been diagnosed with depression than Mackay. Mackay: 14% of adults have diabetes. Against the Idaho average, Mackay comes out ahead on 8 CDC measures out of 32, and behind on 9.

MackayIdaho townsU.S. towns
Feel lonely (CDC PLACES)26%30%33%
High blood pressure (CDC PLACES)41%31%35%
Sleep under 7 hours (CDC PLACES)29%34%36%
Binge drink (CDC PLACES)13%15%16%
32 measures vs. Idaho
8 better15 too close to call9 worse
What stands outMackayID
Fewer uninsured adults7.8%10.7%
Fewer adults facing housing insecurity8.1%10.3%
More adults with heart disease9.5%6.2%
Lost Rivers Medical Center
24.5 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Outdoors

Conservation land takes up 0.8% of Mackay

Parks and preserves in Mackay: one, of 7 acres.

0.8%conserved
0.8%
conserved · 4 of 552 acres
0.0 mi
of trails · 0 per sq mi
Biggest places to walkTrailsAcres
1. City of Mackay Tourist Park—7

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Keep exploring

Everything we know about Mackay

17pages on Mackay
After high school

Colleges nearby

None within 15 miles of Mackay; the nearest are

A job hub

Every workday, about 273 people come to Mackay for work

Where Mackay’s working residents go each day. Line width shows the share.

22% → Challis Challis 22% 6% → Idaho Falls Idaho Falls 6% 4% → Stanley Stanley 4% 4% → Salmon Salmon 4% 2% → Arco Arco 2% 2% → Ketchum Ketchum 2% Mackay · 21% stay
296jobs based in Mackay
21%of working residents work in town
51 mimedian commute distance

Census LEHD 2023

About Mackay

Town in Idaho, United States

Official town website ↗

Mackay (pronounced ) is a town in Custer County, Idaho, United States. The population was 439 at the 2020 census. The town is pronounced "Mackie" with the accent on the first syllable.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Area
0.9 sq mi
Elevation
5,906 ft
ZIP code
83251
Area code
208

Questions about Mackay

Short answers, built from the data on this page.

Is Mackay, ID a good place to live?

Mackay has fewer than 1,000 residents, too few for fair grades; the figures below are still real.