Diamond, MO · standard
ZIP Code 64840
Newton County, Missouri - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 2,813
- 21/sq mi Moderate-density area
- $65,000
- Median income Near-median income area
- $225,600
- Median home value Near-median home value
- 23.2%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Diamond pairs a below-median household income with above-median home values, in a rural, homeowner-dominated area.
- 38th pct
- household income, US ZIPs
- Top 49%
- home value, US ZIPs
- 21
- people per sq mi
- 73%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 64840 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 64840 (Diamond, MO) rose +3.0% from 2023 to 2024. The all-transactions index moved from 259.7 in 2023 to 267.4 in 2024 (2000 = 100).
ZIP code 64840 covers 132.1 square miles in Diamond, Newton County, Missouri (a standard USPS delivery area), with a modest 2,813 residents on file, a density of 21 people per square mile, in the Chicago time zone.
ZIP 64840 reports a modest median household income of $65,000 (3% below the average Missouri ZIP), while per-capita income is $31,132. The poverty rate is 7.7%, with unemployment at 4.4%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $225,600 (18% above the average Missouri ZIP), while 72.8% of occupied homes are owner-occupied and median rent is $705.
Educational attainment sits below the national norm: 23.2% of adults hold a bachelor's degree or higher, the median age is 41.8, and the average commute is 24 minutes. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Newton County, so 64840 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 64840
Top 5 sectors by establishment count in Diamond, MO
Which industries have the most business establishments in ZIP 64840.
- Construction
Construction
10 establishments
- Other services (except public administration)
Other services (except public administration)
8 establishments
- Retail trade
Retail trade
7 establishments
- Transportation and warehousing
Transportation and warehousing
7 establishments
- Wholesale trade
Wholesale trade
4 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 64840, Diamond, MO · 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
2,813
Population
132.1
Area (sq mi)
21
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 64840?
41.8
Median Age
51.0%
Male
49.0%
Female
2.3%
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?
$65,000
Median Household Income
-3% vs state ZIP avg
$31,132
Per Capita Income
7.7%
Poverty Rate
4.4%
Unemployment Rate
24.4 min
Mean Commute Time
How ZIP 64840 ranks among Missouri ZIPs
Diamond, MO household income vs. every Missouri ZIP code
Median household income among 948 reporting Missouri ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$65,000 Top 43% higher than 57% of 948 Missouri ZIPs
Each bar is a $20K-wide band; taller bars hold more Missouri 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
1,332housing units
1,332
Total Housing Units
1,216
Occupied Units
116
Vacant Units
2.73
Avg Household Size
Occupancy Type
$225,600
Median Home Value
+18% vs state ZIP avg
$705
Median Rent
1992
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+3.0%
YoY Change (2024)
267
HPI Index (2000 = 100)
+167%
Total Change Since 2000
Home values in ZIP 64840 have increased 3.0% over the past year (2024). Since 2000, this ZIP has seen +167% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -5.0% | 147 |
| 2021 | +15.5% | 170 |
| 2022 | +33.2% | 227 |
| 2023 | +14.6% | 260 |
| 2024 | +3.0% | 267 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 45 business establishments in ZIP 64840, employing approximately 315 people with a combined annual payroll of $14,397,000.
45
Businesses
315
Employees
$14.4M
Annual Payroll
5
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 10 | 22.2% |
| Other services (except public administration) | 8 | 17.8% |
| Retail trade | 7 | 15.6% |
| Transportation and warehousing | 7 | 15.6% |
| Wholesale trade | 4 | 8.9% |
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 64840 vs 64841 →
ZIP 64840 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 64844
Granby (64844)
4,680 residents
- 64840
Diamond (64840)
2,813 residents
- 64835
Carterville (64835)
1,899 residents
- 64841 384
Duenweg (64841)
384 residents
What this shows Among its immediate neighbors, ZIP 64840 ranks #2 by population - useful context the national average alone can't give.
ZIP 64840 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 64840
Diamond (64840)
$65,000 median income
- 64844
Granby (64844)
$63,382 median income
- 64841
Duenweg (64841)
$59,167 median income
- 64835
Carterville (64835)
$58,849 median income
What this shows By household income, ZIP 64840 ranks the highest 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 64840, both outside MO so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (2,813 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Newton County
Related Areas
Frequently Asked Questions
What county is ZIP code 64840 in?
ZIP code 64840 (Diamond) is located in Newton County, Missouri. Newton County contains multiple ZIP codes, see the full list at /counties/newton-mo.
What is the population of ZIP code 64840?
ZIP code 64840 in Diamond, MO has a population of 2,813 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 64840?
The median household income in ZIP 64840 is $65,000, which is 15% below the national average of $76,288.
What is the average home value in ZIP 64840?
The median home value in ZIP 64840 is $225,600, which is 19% below the national average of $278,155.
What is the demographic makeup of ZIP 64840?
The largest racial group in ZIP 64840 is White at 86.6%. Hispanic or Latino residents make up 8.7% of the population.
How many businesses are in ZIP code 64840?
ZIP code 64840 has 45 business establishments employing approximately 315 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 64840?
The top industries by establishment count in ZIP 64840 are: Construction (10), Other services (except public administration) (8), Retail trade (7). There are 5 industry sectors represented in total.
How have home values changed in ZIP code 64840?
According to the FHFA House Price Index, home values in ZIP 64840 increased by 3.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 167%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 64840?
In ZIP code 64840, 54.1% of residents aged 25+ have a high school diploma or higher, and 23.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 64840?
The mean commute time for workers in ZIP code 64840 is 24.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 64840?
In ZIP code 64840, approximately 72.8% of occupied housing units are owner-occupied and 27.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 64840?
The poverty rate in ZIP code 64840 is 7.7% 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 64840's numbers, next.
- See how ZIP 64840 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Diamond, MO 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.