Princeton, Idaho Demographics & Population 2026
During the 2020–2024 ACS period, Princeton, Idaho had a total population of 25, the 227th largest community in Idaho. The poverty rate is 0.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 0.0% of adults have a bachelor's degree, well below the national average of 35.7%.
Princeton Quick Facts
How Princeton Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 29 | 25 | -13.8% |
How Princeton Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 36 | National average: 61
Education
Educational Attainment (Adults 25+)
Princeton Rankings in Idaho
Explore Idaho Rankings
Other Cities in Latah County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Moscow | 26,286 | $57,022 | 25.1% | $376,400 |
| Genesee | 1,265 | $85,673 | 12.0% | $316,800 |
| Troy | 960 | $81,375 | 3.8% | $300,500 |
| Potlatch | 922 | $76,607 | 9.4% | $244,200 |
| Juliaetta | 672 | $52,455 | 7.6% | $268,600 |
| Deary | 458 | $65,000 | 7.1% | $237,200 |
| Kendrick | 327 | $64,821 | 18.2% | $207,100 |
| Onaway | 263 | $78,750 | 15.2% | $242,300 |
| Bovill | 107 | $38,750 | 27.1% | $157,500 |
| Viola | 30 | N/A | 0.0% | N/A |
Cities Similar to Princeton
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Coolin | 24 | N/A | N/A | 0.0% | 0.0% |
| Placerville | 30 | $63,125 | $412,500 | 3.3% | 3.3% |
| Viola | 30 | N/A | N/A | 66.7% | 0.0% |
| Spencer | 19 | $74,219 | N/A | 0.0% | 5.3% |
| Yellow Pine | 17 | N/A | N/A | 0.0% | 0.0% |
A note before these figures: with a population of 25, Princeton's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Princeton is a small community located in Idaho, within Latah County. The total population is 25. It ranks as the 227th most populous out of 232 Census-designated places in Idaho.
Age Demographics
The median age in Princeton is 65.9 years. This is 77% higher than the state median of 37.3 years.
Economy, Income & Housing
The ACS records no residents below the poverty line in Princeton. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Princeton, which reflects the size of the sample rather than a labor market without joblessness. 70.6% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 72.1%.
Race & Ethnicity
The largest racial or ethnic group in Princeton is White (non-Hispanic), making up 80.0% of the population.
Education
0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.
Data Sources & Methodology
All demographic data for Princeton, Idaho is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 232 Census-designated places in Idaho. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Idaho city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Princeton, Idaho?
Princeton, Idaho has a population of 25 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Princeton, ID?
The Census Bureau does not publish a reliable median household income estimate for Princeton — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Princeton, ID?
The ACS sample for Princeton recorded no residents below the federal poverty line. Because the community is small, this indicates that the survey did not capture poverty here rather than that no poverty exists — the estimate carries a wide margin of error.
What is the racial makeup of Princeton, Idaho?
Princeton's population is 80.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Princeton, ID?
The Census Bureau does not publish a reliable median home value estimate for Princeton — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Princeton, Idaho?
0.0% of adults (25+) in Princeton hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.