Chalk Hill, PA · standard
ZIP Code 15421
Fayette County, Pennsylvania - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 112
- 199/sq mi
- $250,001
- Median income
- $222,500
- Median home value
- 80.0%
- Bachelor's or higher
The verdict
Chalk Hill pairs a top-decile household income with above-median home values, in a rural, homeowner-dominated area.
- Top 1%
- household income, US ZIPs
- Top 50%
- home value, US ZIPs
- 199
- people per sq mi
- 100%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 15421 against every reporting US ZIP.
ZIP code 15421 is a sparsely populated ZIP (a standard USPS delivery area) in Chalk Hill, Fayette County, Pennsylvania, home to just 112 residents across 0.6 square miles, a density of 199 people per square mile, in the New York time zone.
ZIP 15421 skews affluent, with a median household income of $250,001 (221% above the Pennsylvania average), while per-capita income is $101,146. 0.0% of residents live below the poverty line, and the unemployment rate reads 0.0%. Median home value sits at $222,500 (2% below the state average), median rent at - a month, and owner-occupancy at 100.0%.
This is a highly-educated ZIP: 80.0% of adults hold a bachelor's degree or higher, the median age is 61.6, and the average commute is -. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Fayette County, so you can benchmark 15421 against its immediate geography rather than a national average alone.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 15421, Chalk Hill, PA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
112
Population
0.6
Area (sq mi)
199
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 15421?
61.6
Median Age
49.8%
Male
50.2%
Female
0.0%
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?
$250,001
Median Household Income
+221% vs state
$101,146
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 15421 ranks nationally
Chalk Hill, PA household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$250,001 Top 1% higher than 99% 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?
154
Total Housing Units
79
Occupied Units
75
Vacant Units
2.62
Avg Household Size
Occupancy Type
$222,500
Median Home Value
-2% vs state
1956
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 17 business establishments in ZIP 15421, employing approximately 145 people with a combined annual payroll of $6,034,000.
17
Businesses
145
Employees
$6.0M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 3 | 17.6% |
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 15421 vs 15437 →
ZIP 15421 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 15431
Dunbar (15431)
4,744 residents
- 15456
Lemont Furnace (15456)
2,976 residents
- 15436
Fairchance (15436)
2,740 residents
- 15445
Hopwood (15445)
2,693 residents
- 15437
Farmington (15437)
2,573 residents
- 15459 1,763
Markleysburg (15459)
1,763 residents
- 15470 982
Ohiopyle (15470)
982 residents
- 15489 389
West Leisenring (15489)
389 residents
- 15440 349
Gibbon Glade (15440)
349 residents
What this shows Among its immediate neighbors, ZIP 15421 ranks #0 by population - useful context the national average alone can't give.
ZIP 15421 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 15421
Chalk Hill (15421)
$250,001 median income
- 15472 $82,852
Oliver (15472)
$82,852 median income
- 15470 $80,750
Ohiopyle (15470)
$80,750 median income
- 15459 $71,250
Markleysburg (15459)
$71,250 median income
- 15440 $66,250
Gibbon Glade (15440)
$66,250 median income
- 15437 $64,813
Farmington (15437)
$64,813 median income
- 15436 $62,917
Fairchance (15436)
$62,917 median income
- 15431 $62,202
Dunbar (15431)
$62,202 median income
- 15456 $58,828
Lemont Furnace (15456)
$58,828 median income
What this shows By household income, ZIP 15421 ranks the highest of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 15437 | Farmington, PA | 2,573 | 3.9 mi |
| 15470 | Ohiopyle, PA | 982 | 3.7 mi |
| 15445 | Hopwood, PA | 2,693 | 3.7 mi |
| 15431 | Dunbar, PA | 4,744 | 7.2 mi |
| 15440 | Gibbon Glade, PA | 349 | 7.7 mi |
| 15456 | Lemont Furnace, PA | 2,976 | 6.3 mi |
| 15436 | Fairchance, PA | 2,740 | 7.0 mi |
| 15472 | Oliver, PA | 306 | 8.1 mi |
| 15459 | Markleysburg, PA | 1,763 | 8.9 mi |
| 15489 | West Leisenring, PA | 389 | 9.8 mi |
More ZIP Codes in Fayette County
Related Areas
Frequently Asked Questions
What county is ZIP code 15421 in? ▼
What is the population of ZIP code 15421? ▼
What is the median household income in ZIP 15421? ▼
What is the average home value in ZIP 15421? ▼
What is the demographic makeup of ZIP 15421? ▼
How many businesses are in ZIP code 15421? ▼
What is the education level in ZIP code 15421? ▼
Read our methodology to see how this data is sourced, computed, and verified.