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CITY

St. Charles

Idaho · 185 residents (2025 est.) · 0.733 sq mi
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The short version

Population has declined 7% since 2000. 23% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $210,000. At a median age of 34.1, residents skew younger than the country as a whole.

At a glance
Younger
median age 34.1
US median: 38.9
Less educated
23% hold a bachelor's degree
US average: 36%
Less affordable
home values up 50%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
145
−7%since 2000
from 156 in 2000
1990 – 2025
Population density
198 / sq mi
−7%since 2000
from 213 / sq mi in 2000
US average: 281
Median age
34.1
−24%since 2000
from 44.7 in 2000
US average: 38.9

PEP 2025 EST:185 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
59981381782171990201020202024St. Charles
2024145
1990201020202024
Section 02

Income & economy

Per capita income
$29,263
+149%since 2000
from $11,755 in 2000
US average: $44,673
Households earning $100K+
31.9%
+6.9 ptssince 2009
from 25.0% in 2009
US average: 53.3%
Poverty rate
11.7%
+4.4 ptssince 2000
from 7.3% in 2000
US average: 12.5%
Income inequality (Gini)
0.464
+34%since 2010
from 0.347 in 2010
US average: 0.476
Workforce by industry, 2024
Wholesale trade15.6%
US avg: 6.9%
Information15.6%
US avg: 10.8%
Retail trade13.3%
US avg: 9.9%
Finance & insurance11.1%
US avg: 5.9%
Education & health services11.1%
US avg: 0.9%
Arts, entertainment, food8.9%
US avg: 1.9%
Other services2.2%
US avg: 6.7%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Transportation & warehousing0%
US avg: 2.2%
Professional, scientific, technical0%
US avg: 5.1%
Public administration0%
US avg: 4.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$210,000
+50%inflation adjusted, since 2000
from $76,700 in 2000
US average: $376,019
1990 – 2024
Owner-occupied
97.9%
+4.9 ptssince 2000
from 93.0% in 2000
2.1% rent
Vacancy rate
63.6%
+14.3 ptssince 2009
from 49.3% in 2009
US average: 10.0%
Owner cost-burdened
2.2%
−16.6 ptssince 2009
from 18.8% in 2009
US average: 22.9%
Renter cost-burdened
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 47.4%
RELATED:See current rent listings in St. Charles on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic96.8%(151)
Black0%(0)
Hispanic / Latino1.9%(3)
Asian0%(0)
Other0%
Diversity Score4.8%(7)
2024
White, non-Hispanic100%(145)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
Diversity Score0%(0)
Diversity Score
0
−100%since 2000
from 5 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
22.6%
+7.6 ptssince 2000
from 15.0% in 2000
US average: 35.6%
High school or higher
96.4%
+22.4 ptssince 2000
from 74.0% in 2000
US average: 89.6%
Graduate degree
0.0%
−3.0 ptssince 2000
from 3.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
21.1 min
+153%since 2000
from 8.3 min in 2000
US average: 26.5
Drive alone to work
55.6%
−24.9 ptssince 2009
from 80.4% in 2009
US average: 68.9%
Carpooled to work
15.6%
+15.6 ptssince 2009
from 0.0% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
28.9%
+28.9 ptssince 2009
from 0.0% in 2009
US average: 15.0%
Walked to work
0.0%
−8.7 ptssince 2009
from 8.7% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
2.1%
+2.1 ptssince 2009
from 0.0% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
28.6%
+11.3 ptssince 2011
from 17.2% in 2011
US average: 5.2%
Labor force participation
52.1%
+4.5 ptssince 2011
from 47.5% in 2011
US average: 63.5%
Self-employed
22.2%
−8.2 ptssince 2009
from 30.4% in 2009
US average: 13.1%
Management & professional
24.4%
−40.8 ptssince 2009
from 65.2% in 2009
US average: 42.5%
Section 08

People & community

Male
55.9%
+14.1 ptssince 2009
from 41.7% in 2009
Female
44.1%
−14.1 ptssince 2009
from 58.3% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
2.5%
−34.6 ptssince 2009
from 37.1% in 2009
US average: 6.2%
With a disability
10.3%
+0.2 ptssince 2012
from 10.1% in 2012
US average: 13.3%
Uninsured
0.0%
−92.6 ptssince 2013
from 92.6% in 2013
US average: 8.4%
Broadband at home
97.9%
+46.6 ptssince 2017
from 51.3% in 2017
US average: 91.0%
English only at home
100.0%
Unchangedsince 2016
from 100.0% in 2016
US average: 77.7%
Spanish at home
0.0%
Unchangedsince 2016
from 0.0% in 2016
US average: 13.6%
Drill deeper

Places similar to St. Charles

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Head to head

Compare St. Charles to nearby cities

ST. CHARLES VS
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Home value$450,200+114%
Population15,153+8091%
SEE FULL COMPARISON →
ST. CHARLES VS
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Home value$492,600+135%
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ST. CHARLES VS
Logan
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Home value$383,600+83%
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ST. CHARLES VS
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Home value$515,900+146%
Population9,539+5056%
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Frequently asked

How many people live in St. Charles, Idaho?

St. Charles, Idaho has about 145 residents according to the 2024 American Community Survey.

Is St. Charles, Idaho expensive?

In St. Charles, Idaho, the median home is worth about $210,000.

How educated are people in St. Charles, Idaho?

About 22.6% of adults age 25 and over in St. Charles, Idaho hold a bachelor's degree or higher.

What is the poverty rate in St. Charles, Idaho?

About 11.7% of people in St. Charles, Idaho live below the federal poverty line.

Has St. Charles, Idaho grown since 1990?

Yes, St. Charles, Idaho has shrunk since 1990. The population has lost about 59 residents, a change of about -29 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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