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Zip Code 66031 — New Century, KS

66031 is a ZIP Code associated with New Century, KS, located within Johnson. The postal region supports an estimated population of 655 residents across Data Pending housing units, with a population density of 77.5 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.829750, -94.891420)

Data Metric	Local Statistic
Postal / Zip Code	66031
Primary City	New Century
State / Province	KS
County	Johnson
Total Population	655
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	77.5 people/sq mi
Timezone	America/Chicago

How 66031 Compares

Metric	ZIP 66031	Johnson County	KS State Average
Population	655	611,320	2,947,026
Median Income	Data Pending	N/A	N/A
Population Density	77.5 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 66030	Gardner	2.9 mi	26,328	N/A
Zip 66061	Olathe	4.6 mi	67,967	N/A
Zip 66062	Olathe	5.8 mi	78,841	N/A
Zip 66083	Spring Hill	7.2 mi	13,011	N/A
Zip 66021	Edgerton	7.9 mi	2,819	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →