PlainZIP

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
$45,482
Median income
$158,200
Median home value
19.9%
Bachelor's or higher

The verdict

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.

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 Mississippi average), while per-capita income is $29,696. 21.9% of residents live below the poverty line, and the unemployment rate reads 3.1%. On housing, the median home value is $158,200 (18% above the state average) with median rent at $812 per month, and 81.1% of occupied units are owner-occupied.

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. To put 39666 in local context, 3 ZIP codes within roughly 10 miles appear further down this page alongside 5 additional ZIPs in Pike County, for a geography-aware comparison.

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.

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 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

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 39666?

38.7

Median Age

47.3%

Male

52.7%

Female

0.5%

Foreign-Born

White 60.0%
African American 36.4%
Asian 0.5%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.7%
Hispanic or Latino 0.8%

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

$29,696

Per Capita Income

21.9%

Poverty Rate

3.1%

Unemployment Rate

23.3 min

Mean Commute Time

How ZIP 39666 ranks nationally

Summit, MS household income vs. every US ZIP code

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

$45,482 9th percentile higher than 9% 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 55.8%
Bachelor's Degree or Higher 19.9%

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

What does housing look like?

4,489

Total Housing Units

3,653

Occupied Units

836

Vacant Units

2.97

Avg Household Size

Occupancy Type

Owner 81.1%
Renter 18.9%

$158,200

Median Home Value

+18% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 39666 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 39666 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 39666 ranks #2 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
39635 Fernwood, MS 170 7.0 mi
39629 Bogue Chitto, MS 6,519 10.2 mi
39648 Mccomb, MS 21,710 9.3 mi

More ZIP Codes in Pike County

39648 standard
Mccomb, MS
Pop: 21,710
39652 standard
Magnolia, MS
Pop: 8,315
39641 standard
Jayess, MS
Pop: 4,569
39657 standard
Osyka, MS
Pop: 2,351
39635 standard
Fernwood, MS
Pop: 170

Related Areas

Pike County Summit, MS Mississippi

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.

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