Urbanization rate 30.7% Data year 2025
Male/female ratio 1.12 Male 213,267 people · Female 190,470 people · 2023
Registered (hukou) population 402,100 people Data year 2025
Birth rate 7.20 ‰ Death rate 7.60 ‰ · 2025
GDP $1.2B Data year 2025
Urban disposable income $5,508 Rural disposable income $2,931 · 2025

Population structure · 2025

Latest-year age structure, births, deaths, city population and ethnic population.

Births 2,900 people
Deaths 3,000 people
Natural growth rate -0.35 ‰

Data basis / note:常住

Population over time

Resident population and urbanization, 1978 to 2025.

All years
326.71K318.68K310.65K302.62K294.59K2009201220152018202120252009: 308.20K2010: 297.70K2011: 299.50K2012: 301.50K2013: 303.00K2014: 304.60K2015: 306.40K2016: 310.00K2017: 313.20K2018: 314.80K2019: 317.30K2020: 321.90K2021: 322.50K2022: 323.60K2023: 319.10K2025: 312.80K

Historical indicators

Selected years from our annual dataset.

Value201920202021202220232025
Resident population317,300 people321,900 people322,500 people323,600 people319,100 people312,800 people
Urbanization rate26.7%28.4%29.0%29.1%29.9%30.7%
Birth rate————7.10 ‰7.20 ‰
Death rate————7.90 ‰7.60 ‰
GDP——————

Census data

Population, households, age structure and ethnic composition from modern censuses.

View data
Total population321,538 peopleSeventh census
Households102,080
Sex ratio (male per 100 female)107.0
MaleFemale85+ · Male: 0.53%85+ · Female: 0.46%85+80–84 · Male: 2.84%80–84 · Female: 2.49%80–8475–79 · Male: 4.56%75–79 · Female: 4.11%75–7970–74 · Male: 5.09%70–74 · Female: 4.50%70–7465–69 · Male: 2.86%65–69 · Female: 2.58%65–6960–64 · Male: 1.74%60–64 · Female: 1.60%60–6455–59 · Male: 2.57%55–59 · Female: 2.32%55–5950–54 · Male: 3.36%50–54 · Female: 3.06%50–5445–49 · Male: 3.46%45–49 · Female: 3.18%45–4940–44 · Male: 3.73%40–44 · Female: 3.31%40–4435–39 · Male: 4.56%35–39 · Female: 3.97%35–3930–34 · Male: 4.44%30–34 · Female: 4.18%30–3425–29 · Male: 3.70%25–29 · Female: 3.38%25–2920–24 · Male: 1.82%20–24 · Female: 1.80%20–2415–19 · Male: 2.25%15–19 · Female: 2.29%15–1910–14 · Male: 1.80%10–14 · Female: 1.94%10–145–9 · Male: 1.18%5–9 · Female: 1.41%5–91–4 · Male: 0.74%1–4 · Female: 0.98%1–40 · Male: 0.45%0 · Female: 0.75%0

Ethnic composition

Population by ethnic group in the most recent census.

Bouyei56.34%
181,145 people
Manchu18.98%
61,022 people
Han15.31%
49,231 people
Tujia5.67%
18,222 people
Yao3.55%
11,411 people
Korean0.03%
100 people
Kyrgyz0.03%
82 people
Tibetan0.02%
68 people
Ethnic composition

Economy and income

Gross domestic product, growth and household disposable income.

$1.3B$1.3B$1.3B$1.2B$1.2B2022202320252022: $1.2B2023: $1.3B2025: $1.2B

Economy and income

GDP
$1.2B2025
GDP growth
5.6%
Primary industry
$324.3M
Secondary industry
$177.2M
Tertiary industry
$719.2M
Urban disposable income
$5,508
Rural disposable income
$2,931

Townships and subdistricts

Population of townships, towns and subdistricts from the latest census.

View all
Township / subdistrictPopulationMaleFemale
Guyi (古宜镇)87,99745,05442,943
Tonglemiao (同乐苗族乡)34,10017,45916,641
Dudong (独峒镇)32,91816,85416,064
Fulumiao (富禄苗族乡)25,36912,98912,380
Liangkou (良口乡)24,32912,45611,873
Bajiang (八江镇)20,32110,4049,917

Frequently asked questions

What is the population of Sanjiang Dong Autonomous County?

The resident population of Sanjiang Dong Autonomous County was 312,800 people in 2025. This figure refers to people living in the area for more than six months, unless the source states otherwise.

How densely populated is Sanjiang Dong Autonomous County?

The population density is 129.4 people per square kilometre, based on a land area of 2,417 km².

Where does this data come from?

Figures are compiled from national statistical yearbooks, census publications and official regional statistics. Each table displays its reference year. Read the data sources page for details.

Data source: 三江侗族自治县2025年国民经济和社会发展统计公报 · Methodology and sources: Data sources