Lost River

In Custer County, Idaho.

Population: 51

Lost River, a community in Custer County, Idaho, has 51 residents.

From 2019 to 2023, Lost River's population held roughly steady from 0 to 51.

The median resident is 76.1 years old. The largest age group is 75 and over, 51.0% of residents.

Demographics

ACS 2019–2023

Population: 51
Median age: 76.1 yrs
Median household income: —
Median home value: —
Median gross rent: —
Housing units: 46
Homeownership rate: 100.0%
Bachelor's degree or higher: 23.4%
Unemployment rate: 0.0%

Trends

ACS 5-year · 2019–2023

Population

051

Year	Population
2019	0
2020	0
2021	0
2022	10
2023	51

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 50.0%

5 to 170.0%

18 to 247.8%

25 to 340.0%

35 to 445.9%

45 to 540.0%

55 to 640.0%

65 to 7435.3%

75 and over51.0%

	Count	Share
Under 5	0	0.0%
5 to 17	0	0.0%
18 to 24	4	7.8%
25 to 34	0	0.0%
35 to 44	3	5.9%
45 to 54	0	0.0%
55 to 64	0	0.0%
65 to 74	18	35.3%
75 and over	26	51.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	42	82.4%
Black or African American	6	11.8%
American Indian & Alaska Native	0	0.0%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	0	0.0%
Hispanic or Latino (any race)	3	5.9%

Educational attainment (age 25+)

No high school diploma6.4%

High school graduate40.4%

Some college or associate's29.8%

Bachelor's degree0.0%

Graduate or professional degree23.4%

	Count	Share
No high school diploma	3	6.4%
High school graduate	19	40.4%
Some college or associate's	14	29.8%
Bachelor's degree	0	0.0%
Graduate or professional degree	11	23.4%

Commute to work

Drove alone0.0%

Carpooled0.0%

Public transit0.0%

Walked56.0%

Bicycle0.0%

Worked from home44.0%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	0	0.0%
Carpooled	0	0.0%
Public transit	0	0.0%
Walked	14	56.0%
Bicycle	0	0.0%
Worked from home	11	44.0%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	14	100.0%
15 to 29 min	0	0.0%
30 to 44 min	0	0.0%
45 to 59 min	0	0.0%
60+ min	0	0.0%

Households

Average household size: 2.27
Poverty rate: 0.0% (0 of 25)

	Count	Share
Family households	11	100.0%
Nonfamily households	0	0.0%

Housing

Median year structure built: 1946

Occupancy

	Count	Share
Occupied	11	23.9%
Vacant	35	76.1%

Tenure (of occupied units)

	Count	Share
Owner-occupied	11	100.0%
Renter-occupied	0	0.0%

1-unit, detached78.3%

1-unit, attached0.0%

2 to 4 units0.0%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other21.7%

Units in structure

	Count	Share
1-unit, detached	36	78.3%
1-unit, attached	0	0.0%
2 to 4 units	0	0.0%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	10	21.7%

Geography

Place GEOID: 1647890
Type (LSAD): 25
Land area: 8.32 sq mi
Water area: 0.01 sq mi
Center point: 43.6883, -113.6353