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 High-density area
- $250,000+
- Median income Above-median income area
- $222,500
- Median home value Near-median home value
- 80.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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 $250,000+ (221% above the average Pennsylvania ZIP), while per-capita income is $101,146. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.0% and unemployment is 0.0%. Median home value is $222,500 (2% below the average Pennsylvania ZIP); 100.0% of occupied homes are owner-occupied.
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 -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Fayette County, so 15421 can be compared with both its immediate and county-level context.
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?
$250,000+
Median Household Income
+221% vs state ZIP avg
$101,146
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 15421 ranks among Pennsylvania ZIPs
Chalk Hill, PA household income vs. every Pennsylvania ZIP code
Median household income among 1,642 reporting Pennsylvania ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$250,000 Top 1% higher than 99% of 1,642 Pennsylvania ZIPs
Each bar is a $20K-wide band; taller bars hold more Pennsylvania 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?
Housing stock: occupied vs vacant
154housing units
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 ZIP avg
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)
$250,000 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 15421, both outside PA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Fayette County
Related Areas
Frequently Asked Questions
What county is ZIP code 15421 in?
ZIP code 15421 (Chalk Hill) is located in Fayette County, Pennsylvania. Fayette County contains multiple ZIP codes, see the full list at /counties/fayette-pa.
What is the population of ZIP code 15421?
ZIP code 15421 in Chalk Hill, PA has a population of 112 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 15421?
The median household income in ZIP 15421 is $250,000+, which is 228% above the national average of $76,288.
What is the average home value in ZIP 15421?
The median home value in ZIP 15421 is $222,500, which is 20% below the national average of $278,155.
What is the demographic makeup of ZIP 15421?
The largest racial group in ZIP 15421 is White at 100.0%.
How many businesses are in ZIP code 15421?
ZIP code 15421 has 17 business establishments employing approximately 145 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 15421?
In ZIP code 15421, 100.0% of residents aged 25+ have a high school diploma or higher, and 80.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
Related
Take this with you
What to do with ZIP 15421's numbers, next.
- See how ZIP 15421 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Chalk Hill, PA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.