Adolphus, KY · standard
ZIP Code 42120
Allen County, Kentucky - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 2,588
- 22/sq mi Moderate-density area
- $64,958
- Median income Near-median income area
- $178,500
- Median home value Near-median home value
- 26.2%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Adolphus pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.
- 38th pct
- household income, US ZIPs
- 37th pct
- home value, US ZIPs
- 22
- people per sq mi
- 92%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 42120 against every reporting US ZIP.
ZIP code 42120 covers 117.1 square miles in Adolphus, Allen County, Kentucky (a standard USPS delivery area), with a modest 2,588 residents on file, a density of 22 people per square mile, in the Chicago time zone.
ZIP 42120 reports a modest median household income of $64,958 (9% above the average Kentucky ZIP), while per-capita income is $25,838. The poverty rate is 7.7%, with unemployment at 8.4%; those measures add context to the income figure. Median home value is $178,500 (12% above the average Kentucky ZIP) and median rent is $859; 92.1% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 26.2% of adults hold a bachelor's degree or higher, the median age is 38.1, and the average commute is -. The page also surfaces 2 ZIP codes within roughly 10 miles and 2 more in Allen County, so 42120 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 42120, Adolphus, KY · 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
2,588
Population
117.1
Area (sq mi)
22
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 42120?
38.1
Median Age
53.6%
Male
46.4%
Female
0.1%
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?
$64,958
Median Household Income
+9% vs state ZIP avg
$25,838
Per Capita Income
7.7%
Poverty Rate
8.4%
Unemployment Rate
How ZIP 42120 ranks among Kentucky ZIPs
Adolphus, KY household income vs. every Kentucky ZIP code
Median household income among 646 reporting Kentucky ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$64,958 Top 33% higher than 67% of 646 Kentucky ZIPs
Each bar is a $20K-wide band; taller bars hold more Kentucky 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
1,111housing units
1,111
Total Housing Units
896
Occupied Units
215
Vacant Units
3.06
Avg Household Size
Occupancy Type
$178,500
Median Home Value
+12% vs state ZIP avg
$859
Median Rent
1998
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 10 business establishments in ZIP 42120, employing approximately 37 people with a combined annual payroll of $1,168,000.
10
Businesses
37
Employees
$1.2M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 3 | 30.0% |
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 42120 vs 37186 →
ZIP 42120 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 42164
Scottsville (42164)
16,277 residents
- 37186
Westmoreland (37186)
9,184 residents
- 42120 2,588
Adolphus (42120)
2,588 residents
What this shows Among its immediate neighbors, ZIP 42120 ranks #3 by population - useful context the national average alone can't give.
ZIP 42120 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 42120
Adolphus (42120)
$64,958 median income
- 42164
Scottsville (42164)
$60,106 median income
- 37186
Westmoreland (37186)
$59,545 median income
What this shows By household income, ZIP 42120 ranks the highest of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 42120, both outside KY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (2,588 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Allen County
Related Areas
Frequently Asked Questions
What county is ZIP code 42120 in?
ZIP code 42120 (Adolphus) is located in Allen County, Kentucky. Allen County contains multiple ZIP codes, see the full list at /counties/allen-ky.
What is the population of ZIP code 42120?
ZIP code 42120 in Adolphus, KY has a population of 2,588 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 42120?
The median household income in ZIP 42120 is $64,958, which is 15% below the national average of $76,288.
What is the average home value in ZIP 42120?
The median home value in ZIP 42120 is $178,500, which is 36% below the national average of $278,155.
What is the demographic makeup of ZIP 42120?
The largest racial group in ZIP 42120 is White at 95.8%. Hispanic or Latino residents make up 0.5% of the population.
How many businesses are in ZIP code 42120?
ZIP code 42120 has 10 business establishments employing approximately 37 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 42120?
In ZIP code 42120, 67.0% of residents aged 25+ have a high school diploma or higher, and 26.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 42120?
In ZIP code 42120, approximately 92.1% of occupied housing units are owner-occupied and 7.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 42120?
The poverty rate in ZIP code 42120 is 7.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 42120's numbers, next.
- See how ZIP 42120 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Adolphus, KY 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.