Summit, MS · standard
ZIP Code 39666
Pike County, Mississippi - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 9,588
- 24/sq mi Moderate-density area
- $45,482
- Median income Below-median income area
- $158,200
- Median home value Below-median home value
- 19.9%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Summit pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.
- 9th pct
- household income, US ZIPs
- 29th pct
- home value, US ZIPs
- 24
- people per sq mi
- 81%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 39666 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 39666 (Summit, MS) rose +2.8% from 2023 to 2024. The all-transactions index moved from 188.7 in 2023 to 193.9 in 2024 (2000 = 100).
ZIP code 39666 is a mid-sized community (a standard USPS delivery area) in Summit, Pike County, Mississippi, home to 9,588 residents across 402.9 square miles, a density of 24 people per square mile, in the Chicago time zone.
ZIP 39666 reports a modest median household income of $45,482 (13% below the average Mississippi ZIP), while per-capita income is $29,696. The poverty rate is 21.9%, so the area-level income figures should not be treated as typical household experience. Housing is both higher-cost and owner-heavy: median home value is $158,200 (18% above the average Mississippi ZIP), while 81.1% of occupied homes are owner-occupied and median rent is $812.
Educational attainment sits below the national norm: 19.9% of adults hold a bachelor's degree or higher, the median age is 38.7, and the average commute is 23 minutes. The page also surfaces 3 ZIP codes within roughly 10 miles and 5 more in Pike County, so 39666 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 39666
Top 5 sectors by establishment count in Summit, MS
Which industries have the most business establishments in ZIP 39666.
- Other services (except public administration)
Other services (except public administration)
30 establishments
- Retail trade
Retail trade
29 establishments
- Construction
Construction
18 establishments
- Health care and social assistance
Health care and social assistance
14 establishments
- Accommodation and food services
Accommodation and food services
12 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 39666, Summit, MS · 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
9,588
Population
402.9
Area (sq mi)
24
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 39666?
38.7
Median Age
47.3%
Male
52.7%
Female
0.5%
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?
$45,482
Median Household Income
-13% vs state ZIP avg
$29,696
Per Capita Income
21.9%
Poverty Rate
3.1%
Unemployment Rate
23.3 min
Mean Commute Time
How ZIP 39666 ranks among Mississippi ZIPs
Summit, MS household income vs. every Mississippi ZIP code
Median household income among 377 reporting Mississippi ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$45,482 38th percentile higher than 38% of 377 Mississippi ZIPs
Each bar is a $20K-wide band; taller bars hold more Mississippi 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
4,489housing units
4,489
Total Housing Units
3,653
Occupied Units
836
Vacant Units
2.97
Avg Household Size
Occupancy Type
$158,200
Median Home Value
+18% vs state ZIP avg
$812
Median Rent
1989
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
+2.8%
YoY Change (2024)
194
HPI Index (2000 = 100)
+94%
Total Change Since 2000
Home values in ZIP 39666 have increased 2.8% over the past year (2024). Since 2000, this ZIP has seen +94% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +4.5% | 152 |
| 2021 | +3.4% | 157 |
| 2022 | +8.2% | 170 |
| 2023 | +11.1% | 189 |
| 2024 | +2.8% | 194 |
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 171 business establishments in ZIP 39666, employing approximately 3,175 people with a combined annual payroll of $120,641,000.
171
Businesses
3,175
Employees
$120.6M
Annual Payroll
13
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 30 | 17.5% |
| Retail trade | 29 | 17.0% |
| Construction | 18 | 10.5% |
| Health care and social assistance | 14 | 8.2% |
| Accommodation and food services | 12 | 7.0% |
| Transportation and warehousing | 11 | 6.4% |
| Professional, scientific, and technical services | 11 | 6.4% |
| Manufacturing | 10 | 5.8% |
| Wholesale trade | 10 | 5.8% |
| Administrative and support and waste management and remediation services | 9 | 5.3% |
| Agriculture, forestry, fishing and hunting | 5 | 2.9% |
| Mining, quarrying, and oil and gas extraction | 3 | 1.8% |
| Finance and insurance | 3 | 1.8% |
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 39666 vs 39635 →
ZIP 39666 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 39648
Mccomb (39648)
21,710 residents
- 39666
Summit (39666)
9,588 residents
- 39629 6,519
Bogue Chitto (39629)
6,519 residents
- 39635 170
Fernwood (39635)
170 residents
What this shows Among its immediate neighbors, ZIP 39666 ranks #2 by population - useful context the national average alone can't give.
ZIP 39666 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 39629
Bogue Chitto (39629)
$68,724 median income
- 39666
Summit (39666)
$45,482 median income
- 39648
Mccomb (39648)
$42,737 median income
What this shows By household income, ZIP 39666 ranks #2 of 3 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 39666, both outside MS so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (9,588 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Pike County
Related Areas
Frequently Asked Questions
What county is ZIP code 39666 in?
ZIP code 39666 (Summit) is located in Pike County, Mississippi. Pike County contains multiple ZIP codes, see the full list at /counties/pike-ms.
What is the population of ZIP code 39666?
ZIP code 39666 in Summit, MS has a population of 9,588 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 39666?
The median household income in ZIP 39666 is $45,482, which is 40% below the national average of $76,288.
What is the average home value in ZIP 39666?
The median home value in ZIP 39666 is $158,200, which is 43% below the national average of $278,155.
What is the demographic makeup of ZIP 39666?
The largest racial group in ZIP 39666 is White at 60.0%. Hispanic or Latino residents make up 0.8% of the population.
How many businesses are in ZIP code 39666?
ZIP code 39666 has 171 business establishments employing approximately 3,175 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 39666?
The top industries by establishment count in ZIP 39666 are: Other services (except public administration) (30), Retail trade (29), Construction (18). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 39666?
According to the FHFA House Price Index, home values in ZIP 39666 increased by 2.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 94%. 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 39666?
In ZIP code 39666, 55.8% of residents aged 25+ have a high school diploma or higher, and 19.9% 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 39666?
The mean commute time for workers in ZIP code 39666 is 23.3 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 39666?
In ZIP code 39666, approximately 81.1% of occupied housing units are owner-occupied and 18.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 39666?
The poverty rate in ZIP code 39666 is 21.9% 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 39666's numbers, next.
- See how ZIP 39666 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Summit, MS 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.