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 Low-density area
- $52,941
- Median income Below-median income area
- $87,900
- Median home value Below-median home value
- 10.1%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
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 average Iowa ZIP), while per-capita income is $31,114. The poverty rate is 10.8%, with unemployment at 6.3%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $87,900 (50% below the average Iowa ZIP), and median rent is $792; owner occupancy is 71.8%.
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 -. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Crawford County, so 51439 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 →
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.
- Transportation and warehousing
Transportation and warehousing
6 establishments
- Finance and insurance
Finance and insurance
3 establishments
- Other services (except public administration)
Other services (except public administration)
3 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, 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
Who lives in ZIP 51439?
53.4
Median Age
53.2%
Male
46.8%
Female
2.4%
Foreign-Born
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 ZIP avg
$31,114
Per Capita Income
10.8%
Poverty Rate
6.3%
Unemployment Rate
How ZIP 51439 ranks among Iowa ZIPs
Charter Oak, IA household income vs. every Iowa ZIP code
Median household income among 911 reporting Iowa ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$52,941 8th percentile higher than 8% of 911 Iowa ZIPs
Each bar is a $20K-wide band; taller bars hold more Iowa 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
366housing units
366
Total Housing Units
362
Occupied Units
4
Vacant Units
2.26
Avg Household Size
Occupancy Type
$87,900
Median Home Value
-50% vs state ZIP avg
$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.
- 51461
Schleswig (51461)
1,165 residents
- 51439
Charter Oak (51439)
1,047 residents
- 51060
Ute (51060)
615 residents
- 51520 233
Arion (51520)
233 residents
What this shows Among its immediate neighbors, ZIP 51439 ranks #2 by population - useful context the national average alone can't give.
ZIP 51439 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 51461
Schleswig (51461)
$73,768 median income
- 51520
Arion (51520)
$60,843 median income
- 51439
Charter Oak (51439)
$52,941 median income
- 51060
Ute (51060)
$52,500 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 51439, both outside IA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,047 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Crawford County
Related Areas
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.
Related
Take this with you
What to do with ZIP 51439's numbers, next.
- See how ZIP 51439 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Charter Oak, IA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.