PlainZIP

Vassar, KS · standard

ZIP Code 66543

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

725
32/sq mi
$75,288
Median income
$172,200
Median home value
19.4%
Bachelor's or higher

The verdict

Vassar pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.

Top 45%
household income, US ZIPs
35th pct
home value, US ZIPs
32
people per sq mi
89%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 66543 against every reporting US ZIP.

ZIP code 66543 is a sparsely populated ZIP (a standard USPS delivery area) in Vassar, Osage County, Kansas, home to just 725 residents across 22.7 square miles, a density of 32 people per square mile, in the Chicago time zone.

ZIP 66543 lands in the middle-income range, with a median household income of $75,288 (5% above the Kansas average), while per-capita income is $38,860. Poverty here runs at 5.4%, with unemployment measured at 2.6%. Median home value sits at $172,200 (6% above the state average), median rent at $1,167 a month, and owner-occupancy at 88.8%.

Educational attainment sits below the national norm: 19.4% of adults hold a bachelor's degree or higher, the median age is 46.2, and the average commute is -. Beyond these figures, 4 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Osage County, letting you compare 66543 to its immediate surroundings rather than a national baseline 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 66543, Vassar, 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

725

Population

22.7

Area (sq mi)

32

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 66543?

46.2

Median Age

44.7%

Male

55.3%

Female

0.9%

Foreign-Born

White 94.3%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.7%
Hispanic or Latino 2.3%

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?

$75,288

Median Household Income

+5% vs state

$38,860

Per Capita Income

5.4%

Poverty Rate

2.6%

Unemployment Rate

How ZIP 66543 ranks nationally

Vassar, KS household income vs. every US ZIP code

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

$75,288 Top 45% higher than 55% 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 60.0%
Bachelor's Degree or Higher 19.4%

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

What does housing look like?

423

Total Housing Units

375

Occupied Units

48

Vacant Units

2.61

Avg Household Size

Occupancy Type

Owner 88.8%
Renter 11.2%

$172,200

Median Home Value

+6% vs state

$1,167

Median Rent

1979

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 6 business establishments in ZIP 66543, employing approximately 78 people with a combined annual payroll of $1,114,000.

6

Businesses

78

Employees

$1.1M

Annual Payroll

0

Industry Sectors

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 66543 vs 66451 →

ZIP 66543 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 66543 ranks #5 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 66543 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 66543 ranks #2 of 5 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
66451 Lyndon, KS 1,793 4.5 mi
66528 Quenemo, KS 945 4.6 mi
66510 Melvern, KS 779 10.3 mi
66537 Scranton, KS 1,448 10.0 mi

More ZIP Codes in Osage County

66523 standard
Osage City, KS
Pop: 3,833
66414 standard
Carbondale, KS
Pop: 2,914
66524 standard
Overbrook, KS
Pop: 2,499
66413 standard
Burlingame, KS
Pop: 1,802
66451 standard
Lyndon, KS
Pop: 1,793
66537 standard
Scranton, KS
Pop: 1,448

Related Areas

Osage County Vassar, KS Kansas

Frequently Asked Questions

What county is ZIP code 66543 in? ▼
ZIP code 66543 (Vassar) is located in Osage County, Kansas. Osage County contains multiple ZIP codes, see the full list at /counties/osage-ks.
What is the population of ZIP code 66543? ▼
ZIP code 66543 in Vassar, KS has a population of 725 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 66543? ▼
The median household income in ZIP 66543 is $75,288, which is 1% below the national average of $76,288.
What is the average home value in ZIP 66543? ▼
The median home value in ZIP 66543 is $172,200, which is 38% below the national average of $278,155.
What is the demographic makeup of ZIP 66543? ▼
The largest racial group in ZIP 66543 is White at 94.3%. Hispanic or Latino residents make up 2.3% of the population.
How many businesses are in ZIP code 66543? ▼
ZIP code 66543 has 6 business establishments employing approximately 78 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 66543? ▼
In ZIP code 66543, 60.0% of residents aged 25+ have a high school diploma or higher, and 19.4% 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 66543? ▼
In ZIP code 66543, approximately 88.8% of occupied housing units are owner-occupied and 11.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 66543? ▼
The poverty rate in ZIP code 66543 is 5.4% 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.