Troy, ID · standard
ZIP Code 83871
Latah County, Idaho — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,938
- 7/sq mi
- $89,750
- Median income
- $361,800
- Median home value
- 38.0%
- Bachelor's or higher
The verdict
Troy pairs an above-median household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 27%
- household income, US ZIPs
- Top 25%
- home value, US ZIPs
- 7
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 83871 against every reporting US ZIP.
ZIP code 83871 is classified by USPS as a standard delivery area and covers roughly 289.3 square miles in Troy, Latah County, Idaho. The area is home to 1,938 residents, producing a population density of 7 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 83871 against Idaho and the nation.
On the economic side, the median household income for ZIP 83871 sits at $89,750 (23% above the Idaho average), while per-capita income is $41,891. The poverty rate stands at 2.8% and the unemployment rate at 2.8%. On housing, the median home value is $361,800 (5% below the state average) with median rent at $856 per month, and 88.2% of occupied units are owner-occupied, a direct signal of whether 83871 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 38.0% of adults hold a bachelor's degree or higher, the median age is 48.4, and the average commute is —. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Latah County, so you can benchmark 83871 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 83871
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 83871.
- Construction
Construction
12 establishments
- Agriculture, forestry, fishing and hunting
Agriculture, forestry, fishing and hunting
7 establishments
- Manufacturing
Manufacturing
6 establishments
- Wholesale trade 4
Wholesale trade
4 establishments
- Retail trade 4
Retail trade
4 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 83871, Troy, ID · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
1,938
Population
289.3
Area (sq mi)
7
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 83871?
48.4
Median Age
53.5%
Male
46.5%
Female
0.9%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$89,750
Median Household Income
+23% vs state
$41,891
Per Capita Income
2.8%
Poverty Rate
2.8%
Unemployment Rate
How ZIP 83871 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$89,750 Top 27% higher than 73% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
975
Total Housing Units
898
Occupied Units
77
Vacant Units
2.49
Avg Household Size
Occupancy Type
$361,800
Median Home Value
-5% vs state
$856
Median Rent
1977
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+20.3%
YoY Change (2024)
386
HPI Index (2000 = 100)
+286%
Total Change Since 2000
Home values in ZIP 83871 have increased 20.3% over the past year (2024). Since 2000, this ZIP has seen +286% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -1.6% | 205 |
| 2021 | +20.4% | 247 |
| 2022 | +28.6% | 318 |
| 2023 | +1.0% | 321 |
| 2024 | +20.3% | 386 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 43 business establishments in ZIP 83871, employing approximately 165 people with a combined annual payroll of $8,750,000.
43
Businesses
165
Employees
$8.8M
Annual Payroll
6
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 12 | 27.9% |
| Agriculture, forestry, fishing and hunting | 7 | 16.3% |
| Manufacturing | 6 | 13.9% |
| Wholesale trade | 4 | 9.3% |
| Retail trade | 4 | 9.3% |
| Accommodation and food services | 3 | 7.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 83871 vs 83857 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 83857 | Princeton, ID | 691 | 10.4 mi |
More ZIP Codes in Latah County
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Frequently Asked Questions
What county is ZIP code 83871 in? ▼
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What are the main industries in ZIP code 83871? ▼
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ZIP Code Research Guides
Official Data Resources for Troy, ID
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.