PlainZIP

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
$64,958
Median income
$178,500
Median home value
26.2%
Bachelor's or higher

The verdict

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 Kentucky average), while per-capita income is $25,838. The poverty rate stands at 7.7% and the unemployment rate at 8.4%. The typical home here is valued at $178,500 (12% above the state average); renters pay a median of $859 monthly, and 92.1% of units 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 -. A geography-based comparison follows: 2 ZIP codes within about 10 miles of 42120, plus 2 more within Allen County, give a clearer read than the 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 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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 42120?

38.1

Median Age

53.6%

Male

46.4%

Female

0.1%

Foreign-Born

White 95.8%
African American 0.0%
Asian 0.1%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.1%
Hispanic or Latino 0.5%

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

$25,838

Per Capita Income

7.7%

Poverty Rate

8.4%

Unemployment Rate

How ZIP 42120 ranks nationally

Adolphus, KY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$64,958 38th percentile higher than 38% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 67.0%
Bachelor's Degree or Higher 26.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,111

Total Housing Units

896

Occupied Units

215

Vacant Units

3.06

Avg Household Size

Occupancy Type

Owner 92.1%
Renter 7.9%

$178,500

Median Home Value

+12% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 42120 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 42120 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
37186 Westmoreland, TN 9,184 6.2 mi
42164 Scottsville, KY 16,277 8.6 mi

More ZIP Codes in Allen County

42164 standard
Scottsville, KY
Pop: 16,277
42153 standard
Holland, KY
Pop: 326

Related Areas

Allen County Adolphus, KY Kentucky

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.

Read our methodology to see how this data is sourced, computed, and verified.