66429 ZIP Code — Grantville, KS

Jefferson County, Kansas

ZIP code 66429 is located in Grantville, Kansas, within Jefferson County. It covers approximately 12.81 square miles and serves a population of 432 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 785.

About ZIP code 66429

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $134,500. Owner-occupancy is high at 89%, well above the national average.

Median household income is $64,148. 62% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with arts, entertainment, and food service as the leading industry. The average commute of 18 minutes is near the national average.

College attainment at 10% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include disability rates above the national average at 32%.

Overall, ZIP code 66429 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

432

population

12.81

sq mi land

Standard

ZIP type

Central (CT)

timezone

66429 ZIP code map

Cities in ZIP code 66429

Below are the cities the US Postal Service accepts for ZIP code 66429. Using any city not on this list may result in mail delivery delays.

City	Status
Grantville	Preferred

Nearby ZIP codes

66616 Topeka (5 mi) 66617 Topeka (5.2 mi) 66542 Tecumseh (5.5 mi) 66607 Topeka (6.2 mi) 66073 Perry (7.2 mi) 66605 Topeka (7.6 mi) 66512 Meriden (7.8 mi) 66603 Topeka (8.1 mi) 66608 Topeka (8.1 mi) 66621 Topeka (8.2 mi) 66683 Topeka (8.2 mi) 66050 Lecompton (8.4 mi)

Demographics updated 05/2026

Population
Total population	432
Population density	34 / sq mi
State FIPS	20
County FIPS	087

Geography
Land area	12.81 sq mi
Water area	0.07 sq mi
Latitude	39.0890
Longitude	-95.5288
Timezone	Central (CT)
Area code	785

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.2%	33.6%	41.1%
$50k – $100k	55.9%	37.4%	32.2%
$100k – $200k	16.0%	24.9%	21.0%
Over $200k	0.0%	4.1%	5.7%

Demographics & statistics

432

Population

People per sq mi

41.2

Median age

$64,148

Median household income

$28,167

Per capita income

$134,500

Median home value

Median monthly rent

89.4%

Home ownership

0.0%

Poverty rate

8.8%

Unemployment

168

Housing units

10.0%

Bachelor's or higher

Age distribution

Male Female

10–14

15–19

20–24

35–44

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	70	16.2%
18 and over	362	83.8%
65 and over	106	24.5%
Median age	41.2 years

Race & ethnicity

White 95.1%

Two or more races 4.9%

Group	Count	%
White	411	95.1%
Two or more races	21	4.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.2%	33.6%	41.1%
$50k – $100k	55.9%	37.4%	32.2%
$100k – $200k	16.0%	24.9%	21.0%
Over $200k	0.0%	4.1%	5.7%

$15k–$25k 26.1%

$50k–$75k 39.4%

$75k–$100k 26.1%

$100k–$150k 8.5%

Range	% of households
$15k–$25k	26.1%
$50k–$75k	39.4%
$75k–$100k	26.1%
$100k–$150k	8.5%
Median income	$64,148

Housing

Home values

Under $50k 12.5%

$50k–$100k 22.6%

$100k–$150k 25.6%

$150k–$200k 9.5%

$200k–$300k 20.2%

$300k–$500k 9.5%

Housing overview

Metric	Value
Median home value	$134,500
Median rent / month	$0
Owner occupied	89.4%
Renter occupied	10.6%
Vacant	0.0%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.6
Avg household size (owned)	1.89

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	8.5%
1980–1989	0.0%
1970–1979	0.0%
1960–1969	16.0%
1950–1959	23.4%
1940–1949	0.0%
1939 or earlier	52.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	39.9%
3 bedrooms	33.5%
4 bedrooms	8.5%
5+ bedrooms	18.1%

Vehicles per household

Vehicles	% of households
No vehicle	18.1%
1 vehicle	8.0%
2 vehicles	45.7%
3 or more	28.2%

Heating fuel

Fuel type	%
Utility gas	60.6%
Electricity	12.2%
Propane / LP gas	27.1%

Households & families

Household type	Count	%
Married-couple family	100	53.2%
Cohabiting couple	0	0.0%
Male householder, no spouse	23	12.2%
Female householder, no spouse	65	34.6%
Households with children under 18	49	26.1%
Households with seniors (65+)	71	37.8%
Average household size	2.30

Marital status

Status	Male	Female
Never married	35.1%	33.6%
Married	64.9%	43.6%
Separated	0.0%	0.0%
Widowed	0.0%	15.5%
Divorced	0.0%	7.3%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 26.9%

Some college, no degree 56.2%

Associate's degree 6.9%

Bachelor's degree 10.0%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	10.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	44	42.7%
High school	26	25.2%
College / grad school	33	32.0%

Employment

Industry of employment

Arts, food & hospitality 26.1%

Retail trade 18.4%

Public administration 14.0%

Transportation & utilities 12.1%

Professional & management 11.6%

Manufacturing 11.1%

Education & healthcare 6.8%

Occupation

Category	%
Management, business & arts	20.8%
Service	26.1%
Sales & office	18.4%
Natural resources & construction	0.0%
Production & transportation	34.8%

Employment type

Type	%
Private sector	74.4%
Government	25.6%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	87.9%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	12.1%
Avg commute (minutes)	17.6

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	61.7%
Retirement income	53.7%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	37.3%
High blood pressure	36.4%
High cholesterol	36.8%
Diabetes	11.3%
Heart disease	7.0%
Stroke	3.0%
Asthma	9.1%
Arthritis	27.8%
Kidney disease	2.9%
Pulmonary disease	6.7%
Cancer	7.9%

Behavior / access	%
Smoking	17.4%
Binge drinking	16.6%
No physical activity	23.2%
Less than 7 hrs sleep	30.5%
Depression	18.3%
Fair or poor health	12.7%
Poor mental health	12.6%
Poor physical health	9.7%
No health insurance	12.4%
Visited doctor (checkup)	75.1%
Visited dentist	67.0%
Cholesterol screening	91.2%
Teeth loss	12.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	39	10.8%

Disability	%
Any disability	32.4%
Under 18	32.9%
18–64 years	32.4%
65 and over	32.1%

Health insurance coverage

Type	%
Private insurance	75.5%
Public insurance	47.2%
No insurance	4.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	432	100.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	432	100.0%
Born in same state	432	100.0%
Born in different state	357	82.6%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	121	28%
French	63	14.6%

Ancestry	Count	%
English	15	3.5%

Technology access

Metric	% of households
Computer access	43.5%
Internet access	92.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 66429

What city is ZIP code 66429 in?

ZIP code 66429 is primarily assigned to Grantville, Kansas.

What county is ZIP code 66429 in?

ZIP code 66429 falls within Jefferson County, Kansas.

Does ZIP code 66429 have a large retiree population?

62% of households in ZIP code 66429 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 66429 mostly owner-occupied?

89% of occupied units in ZIP code 66429 are owner-occupied, well above the national average.

How educated is the population of ZIP code 66429?

10% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 66429 have a large veteran population?

11% of civilians in ZIP code 66429 are veterans, above the national average of ~7%.

What timezone is ZIP code 66429 in?

ZIP code 66429 observes the CST timezone.