64421 ZIP Code — Amazonia, MO

Andrew County, Missouri

ZIP code 64421 is located in Amazonia, Missouri, within Andrew County. It covers approximately 24.50 square miles and serves a population of 933 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 816.

About ZIP code 64421

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $104,200. Owner-occupancy is high at 86%, well above the national average.

Median household income is $70,125. SNAP benefit usage at 20% of households reflects economic stress in the area. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 25 minutes is near the national average.

College attainment at 4% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (24%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 23%.

Overall, ZIP code 64421 reflects a community defined by a trades-oriented workforce, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

933

population

24.50

sq mi land

Standard

ZIP type

Central (CT)

timezone

64421 ZIP code map

Cities in ZIP code 64421

Below are the cities the US Postal Service accepts for ZIP code 64421. Using any city not on this list may result in mail delivery delays.

City	Status
Amazonia	Preferred

Nearby ZIP codes

64485 Savannah (6.1 mi) 64505 Saint Joseph (6.9 mi) 66090 Wathena (8 mi) 64449 Fillmore (9.5 mi) 64506 Saint Joseph (9.9 mi) 64473 Oregon (10.6 mi) 64501 Saint Joseph (10.9 mi) 64483 Rosendale (11.2 mi) 64436 Cosby (13.1 mi) 64503 Saint Joseph (13.3 mi) 64427 Bolckow (13.3 mi) 64504 Saint Joseph (14.9 mi)

Demographics updated 05/2026

Population
Total population	933
Population density	38 / sq mi
State FIPS	29
County FIPS	003

Geography
Land area	24.50 sq mi
Water area	0.66 sq mi
Latitude	39.8981
Longitude	-94.9341
Timezone	Central (CT)
Area code	816

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.0%	44.0%	43.8%
$50k – $100k	36.8%	35.7%	31.5%
$100k – $200k	12.4%	18.3%	19.5%
Over $200k	1.7%	2.0%	5.2%

Demographics & statistics

933

Population

People per sq mi

46.3

Median age

$70,125

Median household income

$26,946

Per capita income

$104,200

Median home value

$1,304

Median monthly rent

85.7%

Home ownership

13.7%

Poverty rate

3.7%

Unemployment

377

Housing units

3.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	205	22.0%
18 and over	728	78.0%
65 and over	118	12.6%
Median age	46.3 years

Race & ethnicity

White 94.6%

Hispanic or Latino 2.5%

Two or more races 2.5%

American Indian / Alaska Native 0.4%

Group	Count	%
White	905	94.6%
Hispanic or Latino	24	2.5%
Two or more races	24	2.5%
American Indian / Alaska Native	4	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.0%	44.0%	43.8%
$50k – $100k	36.8%	35.7%	31.5%
$100k – $200k	12.4%	18.3%	19.5%
Over $200k	1.7%	2.0%	5.2%

Under $10k 16.7%

$10k–$15k 1.8%

$15k–$25k 10.4%

$25k–$35k 4.2%

$35k–$50k 6.6%

$50k–$75k 14.6%

$75k–$100k 19.7%

$100k–$150k 18.2%

$150k–$200k 4.8%

$200k+ 3.0%

Range	% of households
Under $10k	16.7%
$10k–$15k	1.8%
$15k–$25k	10.4%
$25k–$35k	4.2%
$35k–$50k	6.6%
$50k–$75k	14.6%
$75k–$100k	19.7%
$100k–$150k	18.2%
$150k–$200k	4.8%
$200k+	3.0%
Median income	$70,125

Housing

Home values

Under $50k 12.5%

$50k–$100k 35.2%

$100k–$150k 14.3%

$150k–$200k 15.0%

$200k–$300k 12.5%

$300k–$500k 5.9%

$500k–$1M 4.5%

Housing overview

Metric	Value
Median home value	$104,200
Median rent / month	$1,304
Owner occupied	85.7%
Renter occupied	14.3%
Vacant	21.2%
Single-family detached	75.3%
Large apartment buildings	0.0%
Mobile homes	24.7%
Median rooms	5.5
Avg household size (owned)	2.87

Year built

Era	%
2020 or later	0.2%
2010–2019	9.2%
2000–2009	20.7%
1990–1999	22.8%
1980–1989	16.2%
1970–1979	4.5%
1960–1969	11.3%
1950–1959	0.9%
1940–1949	1.4%
1939 or earlier	12.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	15.1%
2 bedrooms	27.3%
3 bedrooms	33.6%
4 bedrooms	21.4%
5+ bedrooms	2.4%

Vehicles per household

Vehicles	% of households
No vehicle	0.3%
1 vehicle	12.2%
2 vehicles	55.2%
3 or more	32.2%

Heating fuel

Fuel type	%
Utility gas	2.7%
Electricity	41.2%
Propane / LP gas	20.0%
Wood	3.9%
No fuel used	1.8%

Households & families

Household type	Count	%
Married-couple family	200	59.7%
Cohabiting couple	33	9.9%
Male householder, no spouse	32	9.6%
Female householder, no spouse	70	20.9%
Households with children under 18	85	25.4%
Households with seniors (65+)	95	28.4%
Average household size	2.79

Marital status

Status	Male	Female
Never married	20.8%	19.0%
Married	64.8%	46.9%
Separated	2.7%	2.7%
Widowed	3.3%	11.2%
Divorced	8.5%	20.2%

Education

Less than 9th grade 1.9%

Some HS, no diploma 8.9%

HS graduate 53.2%

Some college, no degree 23.4%

Associate's degree 8.7%

Bachelor's degree 3.9%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	89.2%
Bachelor's or higher	3.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	16	8.4%
Kindergarten	25	13.2%
Elementary school	64	33.7%
High school	41	21.6%
College / grad school	44	23.2%

Employment

Industry of employment

Manufacturing 30.8%

Education & healthcare 22.3%

Retail trade 10.3%

Arts, food & hospitality 8.4%

Construction 8.0%

Professional & management 5.7%

Wholesale trade 5.0%

Finance & real estate 3.2%

Transportation & utilities 2.3%

Agriculture & mining 1.8%

Public administration 1.6%

Other services 0.7%

Occupation

Category	%
Management, business & arts	16.2%
Service	17.1%
Sales & office	19.4%
Natural resources & construction	11.8%
Production & transportation	35.5%

Employment type

Type	%
Private sector	88.8%
Government	10.7%
Self-employed	0.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.9%
Carpool	14.6%
Public transit	0.0%
Walk	0.2%
Work from home	0.2%
Other means	0.0%
Avg commute (minutes)	25.2

Poverty

All people 13.7%

Under 18 years 2.9%

18 and over 16.8%

Married-couple families 13.5%

Female-led households 13.6%

Income support

Source	% of households
Social Security	34.0%
Retirement income	35.2%
Supplemental Security	2.4%
Cash public assistance	20.6%
Food stamps / SNAP	20.3%

Health indicators

Condition	%
Obesity	40.8%
High blood pressure	32.8%
High cholesterol	34.8%
Diabetes	10.6%
Heart disease	7.4%
Stroke	3.4%
Asthma	9.7%
Arthritis	29.2%
Kidney disease	2.9%
Pulmonary disease	9.1%
Cancer	6.5%

Behavior / access	%
Smoking	23.7%
Binge drinking	17.4%
No physical activity	29.0%
Less than 7 hrs sleep	33.2%
Depression	25.0%
Fair or poor health	17.7%
Poor mental health	16.3%
Poor physical health	12.7%
No health insurance	17.0%
Visited doctor (checkup)	72.6%
Visited dentist	56.1%
Cholesterol screening	87.0%
Teeth loss	20.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	46	6.3%

Disability	%
Any disability	23.2%
Under 18	9.3%
18–64 years	23.1%
65 and over	47.5%

Health insurance coverage

Type	%
Private insurance	71.4%
Public insurance	36.4%
No insurance	8.8%
Uninsured under 19	5.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	869	93.1%
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)	933	100.0%
Born in same state	933	100.0%
Born in different state	780	83.6%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	145	15.5%
Italian	97	10.4%
Arab	27	2.9%

Ancestry	Count	%
Dutch	10	1.1%
English	3	0.3%

Technology access

Metric	% of households
Computer access	35.9%
Internet access	87.2%

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

Frequently asked questions about ZIP code 64421

What city is ZIP code 64421 in?

ZIP code 64421 is primarily assigned to Amazonia, Missouri.

What county is ZIP code 64421 in?

ZIP code 64421 falls within Andrew County, Missouri.

How educated is the population of ZIP code 64421?

4% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is ZIP code 64421 mostly owner-occupied?

86% of occupied units in ZIP code 64421 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 64421?

The median home value in ZIP code 64421 is $104,200.

What is the population of ZIP code 64421?

ZIP code 64421 has an estimated population of 933 residents, with a density of 38 people per square mile.

What timezone is ZIP code 64421 in?

ZIP code 64421 observes the CST timezone.