PlainZIP

New Market, IA · standard

ZIP Code 51646

Taylor County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

763
5/sq mi
$73,625
Median income
$120,300
Median home value
19.3%
Bachelor's or higher

National ZIP placement

New Market pairs an above-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

Top 47%
household income, US ZIPs
17th pct
home value, US ZIPs
5
people per sq mi
85%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 51646 against every reporting US ZIP.

ZIP code 51646 is a sparsely populated ZIP (a standard USPS delivery area) in New Market, Taylor County, Iowa, home to just 763 residents across 162.3 square miles, a density of 5 people per square mile, in the Chicago time zone.

ZIP 51646 lands in the middle-income range, with a median household income of $73,625 (4% below the average Iowa ZIP), while per-capita income is $32,939. The poverty rate is 11.7%, with unemployment at 1.4%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $120,300 (31% below the average Iowa ZIP), and median rent is $832; owner occupancy is 85.0%.

Educational attainment sits below the national norm: 19.3% of adults hold a bachelor's degree or higher, the median age is 46.1, and the average commute is -. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Taylor County, so 51646 can be compared with both its immediate and county-level context.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

View your shortlist → Compare ZIPs →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 51646, New Market, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

763

Population

162.3

Area (sq mi)

5

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 51646?

46.1

Median Age

45.6%

Male

54.4%

Female

1.3%

Foreign-Born

White 93.1%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.7%
Hispanic or Latino 1.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$73,625

Median Household Income

-4% vs state ZIP avg

$32,939

Per Capita Income

11.7%

Poverty Rate

1.4%

Unemployment Rate

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 54.4%
Bachelor's Degree or Higher 19.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

331

Total Housing Units

301

Occupied Units

30

Vacant Units

2.55

Avg Household Size

Occupancy Type

Owner 85.0%
Renter 15.0%

$120,300

Median Home Value

-31% vs state ZIP avg

$832

Median Rent

1946

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 13 business establishments in ZIP 51646, employing approximately 262 people with a combined annual payroll of $24,420,000.

13

Businesses

262

Employees

$24.4M

Annual Payroll

2

Industry Sectors

Industry Establishments % of Total
Construction 3 23.1%
Transportation and warehousing 3 23.1%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 51646 vs 50848 →

ZIP 51646 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 51646 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 51646 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 51646 ranks the highest of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
50848 Gravity, IA 378 6.3 mi
51631 Braddyville, IA 306 12.1 mi

Nationwide ZIPs with similar ACS profiles

Two Census-derived peer sets for ZIP 51646, both outside IA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).

Similar median household income

Nearest cross-state ZIPs by ACS median household income.

14445 · East Rochester, NY $73,625 13865 · Windsor, NY $73,623 77521 · Baytown, TX $73,629 83501 · Lewiston, ID $73,629

More ZIP Codes in Taylor County

50833 standard
Bedford, IA
Pop: 2,305
50851 standard
Lenox, IA
Pop: 2,087
50840 standard
Clearfield, IA
Pop: 560
50836 standard
Blockton, IA
Pop: 457
50848 standard
Gravity, IA
Pop: 378
50862 standard
Sharpsburg, IA
Pop: 148

Related Areas

Taylor County New Market, IA Iowa

Frequently Asked Questions

What county is ZIP code 51646 in? ▼
ZIP code 51646 (New Market) is located in Taylor County, Iowa. Taylor County contains multiple ZIP codes, see the full list at /counties/taylor-ia.
What is the population of ZIP code 51646? ▼
ZIP code 51646 in New Market, IA has a population of 763 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 51646? ▼
The median household income in ZIP 51646 is $73,625, which is 3% below the national average of $76,288.
What is the average home value in ZIP 51646? ▼
The median home value in ZIP 51646 is $120,300, which is 57% below the national average of $278,155.
What is the demographic makeup of ZIP 51646? ▼
The largest racial group in ZIP 51646 is White at 93.1%. Hispanic or Latino residents make up 1.7% of the population.
How many businesses are in ZIP code 51646? ▼
ZIP code 51646 has 13 business establishments employing approximately 262 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 51646? ▼
In ZIP code 51646, 54.4% of residents aged 25+ have a high school diploma or higher, and 19.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 51646? ▼
In ZIP code 51646, approximately 85.0% of occupied housing units are owner-occupied and 15.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 51646? ▼
The poverty rate in ZIP code 51646 is 11.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Related

Compare this ZIP with another

Read our methodology : how this data is sourced, computed, and verified.

This page explains the source records, calculation, and limits behind the figures shown. ZIP-level Census records are displayed directly; county, state, and national comparisons are calculated from those published records. Read our editorial standards and corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-08-06.