PlainZIP

Frankfort, KS · standard

ZIP Code 66427

Marshall County, Kansas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,281
2/sq mi
$79,481
Median income
$133,600
Median home value
23.9%
Bachelor's or higher

The verdict

Frankfort pairs an above-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

Top 39%
household income, US ZIPs
21th pct
home value, US ZIPs
2
people per sq mi
84%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 66427 against every reporting US ZIP.

ZIP code 66427 is a sparsely populated ZIP (a standard USPS delivery area) in Frankfort, Marshall County, Kansas, home to just 1,281 residents across 533.8 square miles, a density of 2 people per square mile, in the Chicago time zone.

ZIP 66427 lands in the middle-income range, with a median household income of $79,481 (11% above the Kansas average), while per-capita income is $38,217. Local economic indicators show a 11.7% poverty rate alongside 0.9% unemployment. The typical home here is valued at $133,600 (17% below the state average); renters pay a median of $748 monthly, and 83.8% of units are owner-occupied.

Educational attainment sits below the national norm: 23.9% of adults hold a bachelor's degree or higher, the median age is 45.1, and the average commute is 20 minutes. The state and national benchmarks above give 66427's numbers context; they should not be read in isolation.

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 →

Top industries in ZIP 66427

Top 5 sectors by establishment count in Frankfort, KS

Which industries have the most business establishments in ZIP 66427.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 66427, Frankfort, KS · 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

1,281

Population

533.8

Area (sq mi)

2

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 66427?

45.1

Median Age

53.5%

Male

46.5%

Female

0.8%

Foreign-Born

White 98.3%
African American 1.2%
Asian 0.1%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.3%
Hispanic or Latino 0.1%

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?

$79,481

Median Household Income

+11% vs state

$38,217

Per Capita Income

11.7%

Poverty Rate

0.9%

Unemployment Rate

19.9 min

Mean Commute Time

How ZIP 66427 ranks nationally

Frankfort, KS household income vs. every US ZIP code

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

$79,481 Top 39% higher than 61% 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 50.5%
Bachelor's Degree or Higher 23.9%

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

What does housing look like?

627

Total Housing Units

556

Occupied Units

71

Vacant Units

2.34

Avg Household Size

Occupancy Type

Owner 83.8%
Renter 16.2%

$133,600

Median Home Value

-17% vs state

$748

Median Rent

1964

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 44 business establishments in ZIP 66427, employing approximately 337 people with a combined annual payroll of $14,161,000.

44

Businesses

337

Employees

$14.2M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Construction 11 25.0%
Retail trade 9 20.4%
Manufacturing 3 6.8%
Transportation and warehousing 3 6.8%
Finance and insurance 3 6.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

More ZIP Codes in Marshall County

66508 standard
Marysville, KS
Pop: 4,375
66411 standard
Blue Rapids, KS
Pop: 1,292
66548 standard
Waterville, KS
Pop: 961
66403 standard
Axtell, KS
Pop: 757
66406 standard
Beattie, KS
Pop: 421
66544 standard
Vermillion, KS
Pop: 337

Related Areas

Marshall County Frankfort, KS Kansas

Frequently Asked Questions

What county is ZIP code 66427 in? ▼
ZIP code 66427 (Frankfort) is located in Marshall County, Kansas. Marshall County contains multiple ZIP codes, see the full list at /counties/marshall-ks.
What is the population of ZIP code 66427? ▼
ZIP code 66427 in Frankfort, KS has a population of 1,281 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 66427? ▼
The median household income in ZIP 66427 is $79,481, which is 4% above the national average of $76,288.
What is the average home value in ZIP 66427? ▼
The median home value in ZIP 66427 is $133,600, which is 52% below the national average of $278,155.
What is the demographic makeup of ZIP 66427? ▼
The largest racial group in ZIP 66427 is White at 98.3%. Hispanic or Latino residents make up 0.1% of the population.
How many businesses are in ZIP code 66427? ▼
ZIP code 66427 has 44 business establishments employing approximately 337 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 66427? ▼
The top industries by establishment count in ZIP 66427 are: Construction (11), Retail trade (9), Manufacturing (3). There are 5 industry sectors represented in total.
What is the education level in ZIP code 66427? ▼
In ZIP code 66427, 50.5% of residents aged 25+ have a high school diploma or higher, and 23.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 66427? ▼
The mean commute time for workers in ZIP code 66427 is 19.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 66427? ▼
In ZIP code 66427, approximately 83.8% of occupied housing units are owner-occupied and 16.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 66427? ▼
The poverty rate in ZIP code 66427 is 11.7% 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.