PlainZIP

Charter Oak, IA · standard

ZIP Code 51439

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

1,047
5/sq mi
$52,941
Median income
$87,900
Median home value
10.1%
Bachelor's or higher

The verdict

Charter Oak pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

18th pct
household income, US ZIPs
6th pct
home value, US ZIPs
5
people per sq mi
72%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 51439 against every reporting US ZIP.

ZIP code 51439 is a sparsely populated ZIP (a standard USPS delivery area) in Charter Oak, Crawford County, Iowa, home to just 1,047 residents across 222.8 square miles, a density of 5 people per square mile, in the Chicago time zone.

ZIP 51439 reports a modest median household income of $52,941 (31% below the Iowa average), while per-capita income is $31,114. 10.8% of residents live below the poverty line, and the unemployment rate reads 6.3%. The typical home here is valued at $87,900 (50% below the state average); renters pay a median of $792 monthly, and 71.8% of units are owner-occupied.

Formal educational attainment runs low here: just 10.1% of adults hold a bachelor's degree or higher, the median age is 53.4, and the average commute is -. A geography-based comparison follows: 3 ZIP codes within about 10 miles of 51439, plus 6 more within Crawford County, give a clearer read than the national average alone.

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 →

Top industries in ZIP 51439

Top 5 sectors by establishment count in Charter Oak, IA

Which industries have the most business establishments in ZIP 51439.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

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 51439, Charter Oak, 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

1,047

Population

222.8

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 51439?

53.4

Median Age

53.2%

Male

46.8%

Female

2.4%

Foreign-Born

White 82.5%
African American 0.0%
Asian 1.7%
American Indian or Alaska Native 1.6%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 14.2%
Hispanic or Latino 15.3%

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?

$52,941

Median Household Income

-31% vs state

$31,114

Per Capita Income

10.8%

Poverty Rate

6.3%

Unemployment Rate

How ZIP 51439 ranks nationally

Charter Oak, IA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$52,941 18th percentile higher than 18% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

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

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

What is the education profile here?

High School Graduate or Higher 61.2%
Bachelor's Degree or Higher 10.1%

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

What does housing look like?

366

Total Housing Units

362

Occupied Units

4

Vacant Units

2.26

Avg Household Size

Occupancy Type

Owner 71.8%
Renter 28.2%

$87,900

Median Home Value

-50% vs state

$792

Median Rent

1938

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 22 business establishments in ZIP 51439, employing approximately 106 people with a combined annual payroll of $3,393,000.

22

Businesses

106

Employees

$3.4M

Annual Payroll

3

Industry Sectors

Industry Establishments % of Total
Transportation and warehousing 6 27.3%
Finance and insurance 3 13.6%
Other services (except public administration) 3 13.6%

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 51439 vs 51060 →

ZIP 51439 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 51439 ranks #2 by population - useful context the national average alone can't give.

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

ZIP 51439 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 51439 ranks #3 of 4 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
51060 Ute, IA 615 6.5 mi
51461 Schleswig, IA 1,165 7.9 mi
51520 Arion, IA 233 10.2 mi

More ZIP Codes in Crawford County

51442 standard
Denison, IA
Pop: 9,838
51454 standard
Manilla, IA
Pop: 1,346
51461 standard
Schleswig, IA
Pop: 1,165
51528 standard
Dow City, IA
Pop: 931
51465 standard
Vail, IA
Pop: 733
51467 standard
Westside, IA
Pop: 615

Related Areas

Crawford County Charter Oak, IA Iowa

Frequently Asked Questions

What county is ZIP code 51439 in? ▼
ZIP code 51439 (Charter Oak) is located in Crawford County, Iowa. Crawford County contains multiple ZIP codes, see the full list at /counties/crawford-ia.
What is the population of ZIP code 51439? ▼
ZIP code 51439 in Charter Oak, IA has a population of 1,047 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 51439? ▼
The median household income in ZIP 51439 is $52,941, which is 31% below the national average of $76,288.
What is the average home value in ZIP 51439? ▼
The median home value in ZIP 51439 is $87,900, which is 68% below the national average of $278,155.
What is the demographic makeup of ZIP 51439? ▼
The largest racial group in ZIP 51439 is White at 82.5%. Hispanic or Latino residents make up 15.3% of the population.
How many businesses are in ZIP code 51439? ▼
ZIP code 51439 has 22 business establishments employing approximately 106 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 51439? ▼
The top industries by establishment count in ZIP 51439 are: Transportation and warehousing (6), Finance and insurance (3), Other services (except public administration) (3). There are 3 industry sectors represented in total.
What is the education level in ZIP code 51439? ▼
In ZIP code 51439, 61.2% of residents aged 25+ have a high school diploma or higher, and 10.1% 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 51439? ▼
In ZIP code 51439, approximately 71.8% of occupied housing units are owner-occupied and 28.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 51439? ▼
The poverty rate in ZIP code 51439 is 10.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

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