66543 ZIP Code, Vassar, KS

66543 is a ZIP code in Vassar, Kansas in Osage County. It covers 8.9 square miles of land. The closest ZIP codes are 66528, 66451 and 66076. 980 people live here in 375 households. With about 111 people per square mile it is lightly settled, and most homes are owner-occupied (89%). Median household income is $75,288, close to the Kansas median of $74,275; the median age is 46.2, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents980
Households375
Median household income$75,288
Income per person$38,860
Median age46.2
Homeowners88.8%
Median home value$172,200
Median rent$1,167
Bachelor's degree or higher19.4%
Average commute (minutes)33.5
Households with kids under 1826.9%
Moved in the past year2.2%
Below the poverty line5.4%
Broadband internet92.3%
Speak a non-English language at home1.0%

Household income

% of householdsValue
<$10K1.6%
$10–15K1.6%
$15–25K4.8%
$25–35K10.4%
$35–50K12.5%
$50–75K18.7%
$75–100K16.3%
$100–150K13.3%
$150–200K4.5%
$200K+16.3%

Age

% of all residentsValue
<1012.6%
10–199.3%
20–244.7%
25–344.1%
35–4416.3%
45–5417.0%
55–6411.2%
65–7410.8%
75+13.9%

Tenure

% of housing unitsValue
Owned, with mortgage40.2%
Owned outright39.1%
Rented9.7%
Vacant11.0%

Type of building

% of housing unitsValue
Detached house91.0%
Townhome0.0%
2–4 units0.0%
5–19 units0.0%
20+ units0.0%
Mobile / other9.0%

Businesses in 66543

6 business establishments with 78 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 66543 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 66543

Mail every home in 66543

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 66543, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 66543 in?
66543 is a Vassar, KS mailing address. By land area, 53% lies inside Vassar; the rest is outside any Census-defined city or community.
What county is 66543 in?
66543 is in Osage County.
What is the population of 66543?
About 980 people (±233), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 782.
What is the median household income in 66543?
$75,288 (±$21,001), compared with $74,275 for Kansas as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 66543?
EDDM2GO's stored route library does not include 66543 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 66543?
The closest, measured center to center: 66528 (4.2 mi, Quenemo), 66451 (4.7 mi, Lyndon), 66076 (8.5 mi, Pomona), 66510 (9.7 mi, Melvern), 66537 (10.1 mi, Scranton) and 66524 (11.6 mi, Overbrook).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.