Bonneau, SC · standard

ZIP Code 29431

Berkeley County, South Carolina — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

Reviewed by PlainZIP Editorial Team, ZIP Code Data Editors · June 13, 2026

6,071
30/sq mi: $58,571
Median income: $220,600
Median home value: 10.1%
Bachelor's or higher

The verdict

Bonneau pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.

27th pct
household income, US ZIPs: 49th pct
home value, US ZIPs: 30
people per sq mi: 82%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 29431 against every reporting US ZIP.

ZIP code 29431 is classified by USPS as a standard delivery area and covers roughly 203.7 square miles in Bonneau, Berkeley County, South Carolina. The area is home to 6,071 residents, producing a population density of 30 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 29431 against South Carolina and the nation.

On the economic side, the median household income for ZIP 29431 sits at $58,571 (8% below the South Carolina average), while per-capita income is $33,475. The poverty rate stands at 8.2% and the unemployment rate at 3.6%. On housing, the median home value is $220,600 (2% below the state average) with median rent at $1,076 per month, and 82.1% of occupied units are owner-occupied, a direct signal of whether 29431 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 10.1% of adults hold a bachelor's degree or higher, the median age is 44.5, and the average commute is 40 minutes. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Berkeley County, so you can benchmark 29431 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 29431

Other services (except public administration)

10
Construction

8
Retail trade

7
Transportation and warehousing

4
Administrative and support and waste management and remediation services

3

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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 29431, Bonneau, SC · 2023 Accessed 2026-06-13 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

6,071

Population

203.7

Area (sq mi)

People / sq mi

New York

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 29431?

44.5

Median Age

51.4%

Male

48.6%

Female

1.2%

Foreign-Born

White 83.7%

African American 9.1%

Asian 1.8%

American Indian or Alaska Native 0.3%

Native Hawaiian or Pacific Islander 0.0%

Two or More Ethnicities 4.4%

Hispanic or Latino 1.2%

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?

$58,571

Median Household Income

-8% vs state

$33,475

Per Capita Income

8.2%

Poverty Rate

3.6%

Unemployment Rate

40.1 min

Mean Commute Time

How ZIP 29431 ranks nationally

Household income vs. every US ZIP code

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

$58,571 27th percentile higher than 27% of 30,318 US ZIPs

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 56.6%

Bachelor's Degree or Higher 10.1%

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

What does housing look like?

3,023

Total Housing Units

2,784

Occupied Units

239

Vacant Units

2.72

Avg Household Size

Occupancy Type

Owner 82.1%

Renter 17.9%

$220,600

Median Home Value

-2% vs state

$1,076

Median Rent

1994

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

-4.7%

YoY Change (2024)

295

HPI Index (2000 = 100)

+195%

Total Change Since 2000

Home values in ZIP 29431 have decreased 4.7% over the past year (2024). Since 2000, this ZIP has seen +195% cumulative appreciation.

Year	Annual Change	HPI Index
2020	+1.8%	196
2021	+9.9%	215
2022	+21.9%	262
2023	+18.1%	310
2024	-4.7%	295

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 42 business establishments in ZIP 29431, employing approximately 216 people with a combined annual payroll of $5,695,000.

Businesses

216

Employees

$5.7M

Annual Payroll

Industry Sectors

Industry	Establishments	% of Total
Other services (except public administration)	10	23.8%
Construction	8	19.1%
Retail trade	7	16.7%
Transportation and warehousing	4	9.5%
Administrative and support and waste management and remediation services	3	7.1%
Health care and social assistance	3	7.1%
Accommodation and food services	3	7.1%

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 29431 vs 29479 →

29461

30,141
29479

7,337
29431

6,071
29434

537

What this shows Among its immediate neighbors, ZIP 29431 ranks #3 by population — useful context the national average alone can't give.

29461

$82,666
29431

$58,571
29479

$51,397

What this shows By household income, ZIP 29431 ranks #2 of 3 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

ZIP Code	City	Population	Distance
29479	Saint Stephen, SC	7,337	7.0 mi
29434	Cordesville, SC	537	9.7 mi
29461	Moncks Corner, SC	30,141	10.8 mi

More ZIP Codes in Berkeley County

Berkeley County Bonneau, SC South Carolina

Frequently Asked Questions

What county is ZIP code 29431 in? ▼

ZIP code 29431 (Bonneau) is located in Berkeley County, South Carolina. Berkeley County contains multiple ZIP codes, see the full list at /counties/berkeley-sc.

What is the population of ZIP code 29431? ▼

ZIP code 29431 in Bonneau, SC has a population of 6,071 according to the Census Bureau ACS 2023 estimates.

What is the median household income in ZIP 29431? ▼

The median household income in ZIP 29431 is $58,571, which is 23% below the national average of $76,288.

What is the average home value in ZIP 29431? ▼

The median home value in ZIP 29431 is $220,600, which is 21% below the national average of $278,155.

What is the demographic makeup of ZIP 29431? ▼

The largest racial group in ZIP 29431 is White at 83.7%. Hispanic or Latino residents make up 1.2% of the population.

How many businesses are in ZIP code 29431? ▼

ZIP code 29431 has 42 business establishments employing approximately 216 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.

What are the main industries in ZIP code 29431? ▼

The top industries by establishment count in ZIP 29431 are: Other services (except public administration) (10), Construction (8), Retail trade (7). There are 7 industry sectors represented in total.

How have home values changed in ZIP code 29431? ▼

According to the FHFA House Price Index, home values in ZIP 29431 decreased by 4.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 195%. 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 29431? ▼

In ZIP code 29431, 56.6% 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 is the average commute time in ZIP 29431? ▼

The mean commute time for workers in ZIP code 29431 is 40.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.

What percentage of residents own vs. rent in ZIP 29431? ▼

In ZIP code 29431, approximately 82.1% of occupied housing units are owner-occupied and 17.9% are renter-occupied, based on Census ACS 2023 data.

What is the poverty rate in ZIP code 29431? ▼

The poverty rate in ZIP code 29431 is 8.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.