51646 ZIP Code — New Market, IA

Taylor County, Iowa

ZIP code 51646 is located in New Market, Iowa, within Taylor County. It covers approximately 56.43 square miles and serves a population of 780 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51646

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 $89,200. Owner-occupancy is high at 83%, well above the national average.

Median household income is $62,109. 44% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.

College attainment at 13% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 51646 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

780

population

56.43

sq mi land

Standard

ZIP type

Central (CT)

timezone

51646 ZIP code map

Cities in ZIP code 51646

Below are the cities the US Postal Service accepts for ZIP code 51646. Using any city not on this list may result in mail delivery delays.

City	Status
New Market	Preferred

Nearby ZIP codes

50848 Gravity (8 mi) 50833 Bedford (8.2 mi) 51632 Clarinda (10.3 mi) 51631 Braddyville (11.7 mi) 64461 Hopkins (13 mi) 50862 Sharpsburg (13.2 mi) 64431 Clearmont (15.2 mi) 64476 Pickering (17.8 mi) 50840 Clearfield (18 mi) 64475 Parnell (18.3 mi) 64445 Elmo (19.8 mi) 51630 Blanchard (19.9 mi)

Demographics updated 05/2026

Population
Total population	780
Population density	14 / sq mi
State FIPS	19
County FIPS	173

Geography
Land area	56.43 sq mi
Water area	0.27 sq mi
Latitude	40.7242
Longitude	-94.8643
Timezone	Central (CT)
Area code	712

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.2%	45.1%	40.1%
$50k – $100k	29.3%	33.9%	33.4%
$100k – $200k	28.5%	16.7%	21.5%
Over $200k	1.1%	4.4%	5.0%

Demographics & statistics

780

Population

People per sq mi

43.0

Median age

$62,109

Median household income

$30,557

Per capita income

$89,200

Median home value

$753

Median monthly rent

83.3%

Home ownership

9.2%

Poverty rate

1.8%

Unemployment

292

Housing units

13.1%

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	190	24.4%
18 and over	590	75.6%
65 and over	162	20.8%
Median age	43.0 years

Race & ethnicity

White 93.8%

Hispanic or Latino 3.1%

Other race 3.1%

Group	Count	%
White	755	93.8%
Hispanic or Latino	25	3.1%
Other race	25	3.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.2%	45.1%	40.1%
$50k – $100k	29.3%	33.9%	33.4%
$100k – $200k	28.5%	16.7%	21.5%
Over $200k	1.1%	4.4%	5.0%

Under $10k 8.7%

$10k–$15k 3.5%

$15k–$25k 8.7%

$25k–$35k 10.6%

$35k–$50k 9.0%

$50k–$75k 20.9%

$75k–$100k 12.9%

$100k–$150k 13.5%

$150k–$200k 6.4%

$200k+ 5.8%

Range	% of households
Under $10k	8.7%
$10k–$15k	3.5%
$15k–$25k	8.7%
$25k–$35k	10.6%
$35k–$50k	9.0%
$50k–$75k	20.9%
$75k–$100k	12.9%
$100k–$150k	13.5%
$150k–$200k	6.4%
$200k+	5.8%
Median income	$62,109

Housing

Home values

Under $50k 16.6%

$50k–$100k 39.4%

$100k–$150k 14.3%

$150k–$200k 10.0%

$200k–$300k 8.9%

$300k–$500k 3.5%

$500k–$1M 7.3%

Housing overview

Metric	Value
Median home value	$89,200
Median rent / month	$753
Owner occupied	83.3%
Renter occupied	16.7%
Vacant	9.6%
Single-family detached	89.5%
Large apartment buildings	0.0%
Mobile homes	7.6%
Median rooms	5.9
Avg household size (owned)	2.58

Year built

Era	%
2020 or later	0.0%
2010–2019	5.8%
2000–2009	3.5%
1990–1999	2.3%
1980–1989	4.7%
1970–1979	15.7%
1960–1969	10.2%
1950–1959	6.4%
1940–1949	6.7%
1939 or earlier	44.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	7.8%
2 bedrooms	43.6%
3 bedrooms	37.8%
4 bedrooms	8.1%
5+ bedrooms	2.6%

Vehicles per household

Vehicles	% of households
No vehicle	2.9%
1 vehicle	19.6%
2 vehicles	36.7%
3 or more	40.8%

Heating fuel

Fuel type	%
Utility gas	1.0%
Electricity	39.2%
Propane / LP gas	53.7%
Fuel oil	1.9%
Wood	2.6%
No fuel used	1.0%

Households & families

Household type	Count	%
Married-couple family	144	46.3%
Cohabiting couple	20	6.4%
Male householder, no spouse	109	35.0%
Female householder, no spouse	38	12.2%
Households with children under 18	70	22.5%
Households with seniors (65+)	136	43.7%
Average household size	2.51

Marital status

Status	Male	Female
Never married	26.7%	19.3%
Married	45.6%	62.4%
Separated	5.7%	0.0%
Widowed	8.5%	11.3%
Divorced	13.5%	7.1%

Education

Less than 9th grade 3.9%

Some HS, no diploma 5.3%

HS graduate 40.4%

Some college, no degree 22.0%

Associate's degree 15.3%

Bachelor's degree 9.8%

Graduate / professional 3.3%

Metric	%
HS diploma or higher	90.8%
Bachelor's or higher	13.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	2	1.2%
Kindergarten	11	6.8%
Elementary school	79	49.1%
High school	47	29.2%
College / grad school	22	13.7%

Employment

Industry of employment

Education & healthcare 23.9%

Manufacturing 17.5%

Transportation & utilities 11.8%

Public administration 10.5%

Construction 8.0%

Retail trade 7.2%

Agriculture & mining 6.2%

Professional & management 5.7%

Finance & real estate 3.3%

Arts, food & hospitality 3.1%

Other services 1.5%

Information 1.3%

Occupation

Category	%
Management, business & arts	24.2%
Service	22.4%
Sales & office	14.7%
Natural resources & construction	14.7%
Production & transportation	24.2%

Employment type

Type	%
Private sector	75.6%
Government	15.7%
Self-employed	8.5%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	76.9%
Carpool	12.6%
Public transit	0.3%
Walk	3.0%
Work from home	4.8%
Other means	2.4%
Avg commute (minutes)	18.8

Poverty

All people 9.2%

Under 18 years 1.6%

18 and over 11.7%

Married-couple families 5.6%

Female-led households 0.0%

Income support

Source	% of households
Social Security	44.1%
Retirement income	20.3%
Supplemental Security	6.4%
Cash public assistance	1.0%
Food stamps / SNAP	3.5%

Health indicators

Condition	%
Obesity	36.7%
High blood pressure	35.6%
High cholesterol	34.9%
Diabetes	10.5%
Heart disease	7.4%
Stroke	3.3%
Asthma	9.1%
Arthritis	26.8%
Kidney disease	3.1%
Pulmonary disease	7.3%
Cancer	7.9%

Behavior / access	%
Smoking	17.5%
Binge drinking	20.9%
No physical activity	25.4%
Less than 7 hrs sleep	31.1%
Depression	17.3%
Fair or poor health	13.3%
Poor mental health	13.1%
Poor physical health	10.1%
No health insurance	9.2%
Visited doctor (checkup)	74.7%
Visited dentist	66.3%
Cholesterol screening	89.2%
Teeth loss	13.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	54	9.2%

Disability	%
Any disability	13.3%
Under 18	3.7%
18–64 years	14.5%
65 and over	21.6%

Health insurance coverage

Type	%
Private insurance	60.9%
Public insurance	41.9%
No insurance	11.4%
Uninsured under 19	3.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	723	92.7%
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)	763	97.8%
Born in same state	763	97.8%
Born in different state	553	70.9%
Foreign born	0	0.0%
Naturalized citizen	17	2.2%
Not a US citizen	17	100.0%

Ancestry

Ancestry	Count	%
French	110	14.1%
Italian	66	8.5%
English	49	6.3%

Ancestry	Count	%
Arab	49	6.3%
Polish	27	3.5%

Technology access

Metric	% of households
Computer access	39.9%
Internet access	83.0%

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

Frequently asked questions about ZIP code 51646

What city is ZIP code 51646 in?

ZIP code 51646 is primarily assigned to New Market, Iowa.

What county is ZIP code 51646 in?

ZIP code 51646 falls within Taylor County, Iowa.

How educated is the population of ZIP code 51646?

13% 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 51646 have a large retiree population?

44% of households in ZIP code 51646 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 51646 mostly owner-occupied?

83% of occupied units in ZIP code 51646 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 51646?

The median home value in ZIP code 51646 is $89,200.

What timezone is ZIP code 51646 in?

ZIP code 51646 observes the CST timezone.